# Open Source Appointment Scheduling Systems

> Search results for `open-source appointment scheduling system for a service business` on awesome-repositories.com. 96 total matches; showing the first 50.

Explore on the web: https://awesome-repositories.com/q/open-source-appointment-scheduling-system-for-a-service-business

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## Results

- [dokploy/dokploy](https://awesome-repositories.com/repository/dokploy-dokploy.md) (34,901 ⭐) — Dokploy is a self-hosted platform-as-a-service designed to simplify the deployment and management of containerized applications and databases. It provides a centralized control plane that decouples administrative management from application workloads, allowing users to oversee infrastructure across multiple server nodes through a unified web interface or a command-line tool.

The platform distinguishes itself through an extensive library of pre-configured application templates, enabling the rapid deployment of databases, identity providers, and various productivity or development tools. It sup
- [cachethq/cachet](https://awesome-repositories.com/repository/cachethq-cachet.md) (14,932 ⭐) — Cachet is a self-hosted, open-source status page system designed to communicate service uptime, incident history, and infrastructure performance to end users. It provides a centralized dashboard for managing the operational lifecycle of system components, tracking service disruptions, and scheduling maintenance windows.

The platform distinguishes itself through a comprehensive RESTful API that enables programmatic status page management and automated incident reporting. It supports deep integration with external monitoring tools, allowing for the synchronization of performance metrics and the
- [awesome-selfhosted/awesome-selfhosted](https://awesome-repositories.com/repository/awesome-selfhosted-awesome-selfhosted.md) (299,516 ⭐) — This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure.

The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis
- [calcom/cal.com](https://awesome-repositories.com/repository/calcom-cal-com.md) (45,760 ⭐) — Cal.com is a comprehensive scheduling infrastructure platform designed to manage availability, booking workflows, and calendar synchronization across multiple users and external services. It provides a backend service for automated appointment scheduling, enabling the creation, confirmation, and management of booking lifecycles through a centralized state machine. The platform also offers embeddable user interface components that allow developers to integrate interactive booking experiences directly into third-party websites.

What distinguishes the platform is its extensible app ecosystem and
- [chatwoot/chatwoot](https://awesome-repositories.com/repository/chatwoot-chatwoot.md) (31,959 ⭐) — Chatwoot is a self-hosted, omnichannel customer support platform designed to aggregate messages from diverse social and digital channels into a single, collaborative team inbox. It provides organizations with full data ownership and control over their support infrastructure, ensuring strict logical separation of customer data through multi-tenant architecture. By centralizing communication, the platform enables teams to manage, route, and resolve inquiries within a unified workspace that maintains complete interaction history for every contact.

The platform distinguishes itself through an eve
- [open-source-flash/open-source-flash](https://awesome-repositories.com/repository/open-source-flash-open-source-flash.md) (7,320 ⭐) — This project is an open source specification petition platform and proprietary specification archive. It serves as a markdown-based repository for collecting signatures and community support to urge vendors to open source proprietary software specifications.

The platform functions as a tool for open source specification advocacy and proprietary software archival. It creates permanent records of proprietary standards and documents the community efforts required to transition them to open source licenses, ensuring the preservation of technical knowledge.

The system utilizes a git-driven contri
- [encoredev/encore](https://awesome-repositories.com/repository/encoredev-encore.md) (12,049 ⭐) — Encore is a distributed systems framework designed to unify backend development, infrastructure provisioning, and observability. It functions as an infrastructure-as-code platform that allows developers to define cloud resources, databases, and messaging topics directly within their application code. By analyzing these declarations at compile-time, the system automatically manages the deployment of cloud resources and security policies, ensuring parity between local development and production environments.

The platform distinguishes itself through its integrated development experience, which
- [kestra-io/kestra](https://awesome-repositories.com/repository/kestra-io-kestra.md) (27,073 ⭐) — Kestra is a declarative workflow orchestrator designed to manage complex task dependencies and automated processes through versioned configuration files. It functions as a distributed platform that decouples task scheduling from execution by offloading computational workloads to a fleet of worker nodes. The system uses a reactive, event-driven engine to initiate workflows automatically in response to external signals, webhooks, schedules, or file system changes.

The platform distinguishes itself through a modular plugin architecture that allows for the integration of custom tasks and external
- [microsoft/windows-universal-samples](https://awesome-repositories.com/repository/microsoft-windows-universal-samples.md) (9,696 ⭐) — This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering.

The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc
- [izal/my-appointment](https://awesome-repositories.com/repository/izal-my-appointment.md) (209 ⭐) — ReactNative App for booking Appointment
- [tallguyjenks/obsidian-for-business](https://awesome-repositories.com/repository/tallguyjenks-obsidian-for-business.md) (161 ⭐) — Using Obsidian.... For Business!
- [github/opensource.guide](https://awesome-repositories.com/repository/github-opensource-guide.md) (15,530 ⭐) — This project serves as a comprehensive repository of best practices and documentation standards for managing open source software. It provides a foundational framework for establishing project governance, defining contributor roles, and structuring the lifecycle of collaborative software development. By centralizing knowledge on community building and operational transparency, it acts as a guide for launching, maintaining, and scaling healthy software projects.

The project distinguishes itself by offering actionable strategies for the human and organizational aspects of software development t
- [bitwarden/clients](https://awesome-repositories.com/repository/bitwarden-clients.md) (13,114 ⭐) — This project is a comprehensive zero-knowledge security suite designed for enterprise credential management, secrets orchestration, and password management. It provides a secure, end-to-end encrypted vault that allows users to store, synchronize, and manage sensitive information, including passwords, passkeys, and infrastructure secrets, across desktop, mobile, and browser environments.

The platform distinguishes itself through a strict zero-knowledge architecture where all encryption and decryption occur locally on the client, ensuring that plaintext data remains inaccessible to the server.
- [espocrm/espocrm](https://awesome-repositories.com/repository/espocrm-espocrm.md) (2,799 ⭐) — EspoCRM is an open-source customer relationship management platform and SQL-based business application. It serves as a centralized web interface for tracking leads, opportunities, and contacts, providing a sales pipeline manager and a customizable business logic engine.

The platform is distinguished by its ability to function as a custom business application builder, allowing for the creation of tailored entities and automated workflows. It integrates marketing automation tools for campaign coordination and a structured customer support ticketing system for case management.

The system covers
- [zachflower/awesome-open-source-supporters](https://awesome-repositories.com/repository/zachflower-awesome-open-source-supporters.md) (681 ⭐) — ⭐️ A curated list of companies that offer their services for free to Open Source projects
- [bitwarden/server](https://awesome-repositories.com/repository/bitwarden-server.md) (18,074 ⭐) — This project provides a comprehensive, self-hosted platform for zero-knowledge credential management and enterprise secrets orchestration. It functions as a secure vault that ensures all encryption and decryption processes occur exclusively on the client side, preventing the server from ever accessing plaintext data. By combining identity federation with robust access controls, the system enables organizations to centralize the management of passwords, passkeys, and sensitive infrastructure credentials.

The platform distinguishes itself through its focus on both human-centric security and aut
- [tapaswenipathak/open-source-programs](https://awesome-repositories.com/repository/tapaswenipathak-open-source-programs.md) (3,856 ⭐) — A list of open source programs.
- [krayin/laravel-crm](https://awesome-repositories.com/repository/krayin-laravel-crm.md) (21,404 ⭐) — This project is a modular, open-source customer relationship management platform built on the Laravel framework. It serves as a comprehensive business application framework designed for tracking sales pipelines, managing business entities, and automating marketing workflows. By providing a self-hosted solution, it enables organizations to maintain full control over their contact data, sales leads, and communication history.

The platform distinguishes itself through a highly extensible architecture that allows developers to modify core behavior without altering the underlying source code. It u
- [thomasgalliker/ncrontab.scheduler](https://awesome-repositories.com/repository/thomasgalliker-ncrontab-scheduler.md) (20 ⭐) — NCrontab.Scheduler is a simple, open source task scheduling system that can be used in any .NET application
- [keygraphhq/shannon](https://awesome-repositories.com/repository/keygraphhq-shannon.md) (44,672 ⭐) — Shannon is an integrated security platform designed for autonomous penetration testing, static and dynamic analysis, and automated vulnerability remediation within self-hosted, private infrastructure. It functions as a unified security suite that orchestrates the entire lifecycle of vulnerability management, from initial discovery and reachability prioritization to the generation and verification of code-level patches.

The platform distinguishes itself through its agentic approach to security, deploying autonomous agents to execute both black-box and white-box exploits against running applica
- [formbricks/formbricks](https://awesome-repositories.com/repository/formbricks-formbricks.md) (12,391 ⭐) — Formbricks is an open-source survey and feedback platform designed to help teams capture and analyze user insights through targeted, in-app, and website-based interactions. It functions as a comprehensive customer experience analytics system that allows organizations to maintain full control over their data, user attributes, and survey workflows.

The platform distinguishes itself through its event-driven architecture, which enables precise behavioral targeting by triggering surveys based on specific user actions or application events. It supports deep integration with external ecosystems by a
- [swift-open-source/ultratabsaver](https://awesome-repositories.com/repository/swift-open-source-ultratabsaver.md) (290 ⭐) — The open source Tab Manager Extension for Safari.
- [ellerbrock/open-source-badges](https://awesome-repositories.com/repository/ellerbrock-open-source-badges.md) (548 ⭐) — :octocat: Open Source & Licence Badges
- [fullcalendar/fullcalendar](https://awesome-repositories.com/repository/fullcalendar-fullcalendar.md) (20,506 ⭐) — FullCalendar is a framework-agnostic UI library and JavaScript calendar component designed for building interactive event scheduling interfaces. It provides tools for managing time-based data, including an integrated iCal feed parser for importing external calendar files and recurring schedules into a unified web view.

The library features a system for event scheduling and management, enabling users to reschedule entries via drag-and-drop, adjust event durations by resizing, and highlight specific time ranges for selection. It supports multiple date views, such as month, week, day, and list f
- [lavague-ai/lavague](https://awesome-repositories.com/repository/lavague-ai-lavague.md) (6,374 ⭐) — LaVague is an LLM web agent framework and large action model designed to translate natural language instructions into executable browser automation scripts. It functions as a multi-modal orchestrator that reasons over web page states and HTML content to automate multi-step tasks via a Selenium-based automation engine.

The framework features a modular model provider layer, allowing users to swap between different language and vision models from providers such as Anthropic, Gemini, and Azure OpenAI. It employs a multi-modal world model to process screenshots and HTML structures, utilizing retri
- [openemr/openemr](https://awesome-repositories.com/repository/openemr-openemr.md) (4,691 ⭐) — OpenEMR is an open-source electronic health record (EHR) system that also functions as a medical practice management platform and a patient portal, all integrated with standards-based health data exchange. It stores and manages patient health records, handles clinical workflows, supports scheduling and billing, and provides patients with secure self-service access to their information. Interoperability is built in via FHIR and C-CDA for exchanging records with external systems and Direct protocol for encrypted provider messaging.

The system is designed to be extensible, with a modular plugin
- [as-a-service/pdf](https://awesome-repositories.com/repository/as-a-service-pdf.md) (164 ⭐) — A simple web service that transforms the given document into a PDF file.
- [dragonflydb/dragonfly](https://awesome-repositories.com/repository/dragonflydb-dragonfly.md) (30,688 ⭐) — Dragonfly is a high-performance, multi-model in-memory data store designed to serve as a drop-in replacement for existing database infrastructures. By utilizing a multi-threaded, shared-nothing architecture and a fiber-based concurrency model, it maximizes CPU utilization and minimizes latency for read and write operations. The system supports a wide range of data structures, including strings, hashes, lists, sets, sorted sets, and JSON documents, while maintaining full compatibility with standard industry wire protocols and client libraries.

What distinguishes Dragonfly is its focus on effic
- [as-a-service/render](https://awesome-repositories.com/repository/as-a-service-render.md) (36 ⭐) — A simple web service that renders a Blender 3D scene with custom text.
- [solid/solid](https://awesome-repositories.com/repository/solid-solid.md) (8,108 ⭐) — Solid is a protocol and ecosystem for decentralized web applications that separates application logic from data storage. It enables users to store and control their personal information in personal online data stores, known as Pods, ensuring that individuals own their data rather than the applications they use.

The project provides a framework for decentralized identity and authentication using WebID and OpenID Connect, decoupling identity from central providers. It implements a resource-level permission system via Web Access Control, allowing users to grant or deny read, write, and append ac
- [cockroachdb/cockroach](https://awesome-repositories.com/repository/cockroachdb-cockroach.md) (32,207 ⭐) — Cockroach is a distributed SQL database designed to scale horizontally across multiple nodes while maintaining strict ACID compliance and global data consistency. It functions as a relational database engine that automatically partitions data into ranges, rebalancing them across a cluster to accommodate growing storage and throughput requirements. By utilizing a distributed consensus protocol, the system ensures that all nodes agree on the order of operations, providing fault tolerance and continuous availability even in the event of hardware failures.

The system distinguishes itself through
- [as-a-service/screenshot](https://awesome-repositories.com/repository/as-a-service-screenshot.md) (104 ⭐) — A simple web service that takes screenshot of the given URL.
- [ufund-me/qbot](https://awesome-repositories.com/repository/ufund-me-qbot.md) (17,659 ⭐) — Qbot is a multi-purpose platform designed to support automated recruitment, quantitative trading, and distributed service orchestration. It functions as a comprehensive framework that integrates artificial intelligence into specialized workflows, enabling users to build and deploy systems for candidate screening, financial strategy execution, and context-aware knowledge retrieval.

The platform distinguishes itself through a modular architecture that combines high-performance distributed communication with domain-specific automation. It provides a robust foundation for managing microservices t
- [as-a-service/meme](https://awesome-repositories.com/repository/as-a-service-meme.md) (0 ⭐) — A simple web service that generates a meme image given text and an image URL.
- [simstudioai/sim](https://awesome-repositories.com/repository/simstudioai-sim.md) (28,796 ⭐) — This project is an AI agent orchestration platform that provides a visual environment for building, testing, and deploying complex automation workflows. It functions as a low-code development interface where users can chain discrete functional blocks into dependency-aware pipelines to integrate artificial intelligence with external data and services. The platform supports the creation of intelligent conversational agents, automated business processes, and multi-service API orchestrations within a unified workspace.

The platform distinguishes itself through its event-driven integration engine,
- [allegroai/clearml](https://awesome-repositories.com/repository/allegroai-clearml.md) (6,733 ⭐) — ClearML is a comprehensive MLOps platform designed to manage the entire machine learning lifecycle. It functions as an experiment tracking tool, a data versioning system, and a pipeline orchestrator, while providing infrastructure for GPU cluster management and model serving.

The platform is distinguished by its ability to handle hybrid-cloud compute scheduling and fractional GPU allocation, allowing multiple workloads to share a single hardware accelerator. It employs a metadata-based approach to data versioning, using virtual views to track large datasets and artifacts without duplicating r
- [as-a-service/inkscape](https://awesome-repositories.com/repository/as-a-service-inkscape.md) (23 ⭐) — A simple web service that transforms the given SVG file into the desired format.
- [clearml/clearml](https://awesome-repositories.com/repository/clearml-clearml.md) (6,740 ⭐) — ClearML is a comprehensive MLOps platform designed to manage the end-to-end machine learning lifecycle, from initial experimentation to production deployment. It provides a suite of integrated tools including a pipeline orchestrator for automating workflows, an experiment tracking tool for logging hyperparameters and metrics, and a metadata-driven data versioning system for managing large-scale datasets and model artifacts.

The platform is distinguished by its advanced compute management and serving capabilities. It features a GPU compute manager that supports fractional resource slicing and
- [arendst/tasmota](https://awesome-repositories.com/repository/arendst-tasmota.md) (24,502 ⭐) — Tasmota is a universal firmware platform for ESP8266 and ESP32 microcontrollers, designed to provide local control and management of smart home hardware. It functions as an event-driven automation controller that replaces proprietary factory firmware, allowing users to manage relays, sensors, and lighting systems without relying on external cloud services. The system is built on a modular driver architecture that enables dynamic hardware configuration and peripheral support through a web-based management interface.

The platform distinguishes itself through a template-driven hardware mapping s
- [as-a-service/trace](https://awesome-repositories.com/repository/as-a-service-trace.md) (14 ⭐) — A simple web service that traces the given bitmap image into an SVG file.
- [instapy/instapy](https://awesome-repositories.com/repository/instapy-instapy.md) (17,771 ⭐) — InstaPy is a Python-based automation library designed to manage social media engagement and audience growth. It functions as an automation bot that executes programmatic workflows to interact with platform interfaces, facilitating consistent activity such as liking, commenting, and following accounts.

The framework operates by controlling a real browser instance, utilizing document object model selectors to trigger interface actions. It distinguishes itself through configuration-driven execution, which allows users to adjust operational logic and interaction parameters via external files rath
- [greenrobot/eventbus](https://awesome-repositories.com/repository/greenrobot-eventbus.md) (24,760 ⭐) — EventBus is a publish-subscribe messaging library designed to facilitate decoupled communication between components in Java applications. It functions as a central hub where producers dispatch events that are routed to subscribers based on the class type of the payload. By using annotation-based markers, the system maps event handlers to specific data types, allowing different parts of an application to exchange information without requiring direct references between classes.

The library distinguishes itself through a focus on performance and execution control. It utilizes a compile-time inde
- [afonsopacifer/open-source-checklist](https://awesome-repositories.com/repository/afonsopacifer-open-source-checklist.md) (215 ⭐) — :octocat: A guide to help you remember important things when creating an open source project ;D
- [marmelab/react-admin](https://awesome-repositories.com/repository/marmelab-react-admin.md) (26,780 ⭐) — React-admin is a framework for building data-driven administrative interfaces that connect to REST or GraphQL backends. It provides a comprehensive suite of tools for managing the full lifecycle of administrative applications, including resource-oriented routing, declarative form scaffolding, and context-driven state management. By utilizing a modular adapter-based architecture, the framework abstracts backend communication, allowing developers to build consistent CRUD interfaces that handle data fetching, authentication, and synchronization automatically.

The project distinguishes itself thr
- [node-schedule/node-schedule](https://awesome-repositories.com/repository/node-schedule-node-schedule.md) (9,210 ⭐) — node-schedule is a job scheduler for Node.js that executes arbitrary functions based on specific dates or recurring rules. It functions as a date-based and event-driven scheduling system for JavaScript environments, allowing for the automation of one-off events and periodic tasks.

The project supports recurring job scheduling through cron-style strings and recurrence rules, as well as the ability to schedule tasks for precise, single execution dates. It includes timezone-aware date calculations to map recurring rules against global or local time offsets.

The system provides a comprehensive j
- [helicone/helicone](https://awesome-repositories.com/repository/helicone-helicone.md) (5,830 ⭐) — Helicone is an AI gateway and observability platform designed to intercept, manage, and monitor interactions with large language models. By acting as a reverse-proxy, it provides a centralized layer for routing requests across multiple AI providers, allowing developers to maintain consistent application logic while gaining deep visibility into model performance, usage, and costs.

The platform distinguishes itself through a robust suite of traffic management and prompt engineering tools. It enables policy-driven control, including automatic failover between providers, rate limiting, and edge-b
- [telegramdesktop/tdesktop](https://awesome-repositories.com/repository/telegramdesktop-tdesktop.md) (32,099 ⭐) — This project is a cross-platform messaging client that implements a secure, real-time communication protocol. It provides a comprehensive development toolkit, including a database library and messaging SDK, which allows for the creation of custom messaging applications that maintain synchronized state across multiple devices. The core architecture relies on an asynchronous event-driven model to ensure responsive performance while managing persistent local database synchronization with server-side state.

The client distinguishes itself through a robust end-to-end encryption layer that supports
- [flet-dev/flet](https://awesome-repositories.com/repository/flet-dev-flet.md) (15,611 ⭐) — Flet is a cross-platform framework that enables developers to build interactive desktop, mobile, and web applications using only Python. By utilizing a declarative programming model, it allows for the construction of complex user interfaces through a hierarchical structure of components, removing the need for specialized knowledge of web-specific languages like HTML, CSS, or JavaScript.

The framework distinguishes itself by offloading visual rendering to a high-performance graphics engine while maintaining application logic within a centralized server-side environment. This architecture synch
- [cfpb/open-source-project-template](https://awesome-repositories.com/repository/cfpb-open-source-project-template.md) (214 ⭐) — A project template containing default open source files for new projects
- [qloapps/qloapps](https://awesome-repositories.com/repository/qloapps-qloapps.md) (13,653 ⭐) — QloApps is an open-source hotel reservation system designed to manage guest bookings, property storefronts, and daily hospitality operations. It functions as a centralized online booking engine that automates administrative tasks and reservation workflows to improve operational efficiency for property managers.

The platform is built on a modular architecture that separates data, logic, and presentation layers to handle complex reservation requirements. It provides a hook-based extensibility system that allows for the injection of custom functionality into the core execution flow without modif