Open-source alternatives to Bark

NWPusher is an application for macOS and iOS designed to send, debug, and manage payloads delivered via the Apple Push Notification service. It functions as a tool for delivering custom data payloads to remote devices using secure certificates and unique device identification tokens. The project provides utilities for identifying and removing expired or invalid device tokens by interfacing with push notification feedback services. It includes a manager for loading secure certificates and private keys from keychains or encrypted files to authenticate requests to delivery servers. The toolset

node-apn is a Node.js library and push notification driver used to send remote notifications to Apple devices via the Apple Push Notification service. It functions as an HTTP/2 client that manages the construction and transmission of JSON payloads to the Apple notification gateway. The library supports multiple identity verification methods, including certificate-based authentication using PEM or PFX files and token-based authentication with automatically renewing tokens. It includes capabilities for routing traffic through intermediary proxy servers and secure HTTP tunnels to bypass restrict

This project is an open-source, self-hosted platform designed for enterprise-grade data collection, survey building, and automated operational workflows. It provides a comprehensive environment for organizations to maintain full data sovereignty while managing interactive questionnaires, online exams, and complex information-gathering projects within their own private infrastructure. The platform distinguishes itself through a focus on high-concurrency, scalable deployment and granular organizational control. It features a dynamic drag-and-drop builder that supports logic-based branching and

iOS9AdaptationTips is a collection of technical strategies and guides for adapting mobile applications to the iOS 9 operating system. It serves as a development resource for implementing system integration, UI layout adaptations, and push notification configurations. The project provides specific guidance on flexible interface implementation, including support for split-screen modes, dynamic text scaling, and status bar configurations. It also covers the use of secure certificates and heartbeat signals to maintain persistent connection stability for push notifications. The material covers br

Workout-Cool is a self-hosted fitness application that combines an exercise database browser, workout plan builder, and progress tracking dashboard into a single coaching platform. The application runs on personal infrastructure with full code access, storing workout data locally in the browser while offering optional account-based synchronization for continuity across sessions. The platform provides a searchable exercise library with detailed instructions and video demonstrations, along with pre-built workout programs that can be filtered by difficulty, duration, and equipment requirements.

Winds is an open-source RSS and podcast reader that aggregates content from both feed types into a single, unified reading and listening interface. The application is designed to be self-hosted, allowing users to deploy the full stack on their own servers with configurable dependencies and environment variables. The platform integrates with Getstream.io to deliver real-time, personalized activity feeds that adapt to individual content preferences using machine learning. It includes a full-text search engine that indexes all subscribed articles and podcast episodes for fast, query-based retrie

This project is an Ansible role and configuration framework designed to automate the installation and provisioning of network attached storage and self-hosted services. It functions as a home server orchestration tool for deploying media servers, cloud storage, and home automation tools on private hardware. The system includes a dynamic DNS configuration suite to expose local network services to the internet using custom hostnames. It allows for the deployment of interconnected application stacks and preconfigured service suites that are coordinated to achieve specific operational goals. The

The application functions as a self-hosted file sharing platform that allows users to transfer files directly through the browser or via cloud storage. It provides decentralized file-sharing utilities that stream encrypted data between client browsers without intermediate storage servers, alongside mechanisms for managing object storage providers and local disk configurations. The system incorporates client-side encryption to secure file payloads within the browser prior to transmission, paired with fallback relay routing to bypass restrictive firewalls through secondary TURN servers when dir

Rustpad is a self-hosted collaborative text editor and code environment. It functions as a containerized web application that uses an operational transformation engine to synchronize text changes across multiple browser clients in real time. The system is designed for database-free document synchronization, allowing users to host private environments for sharing code snippets without external database dependencies. It supports ephemeral document hosting, where shared spaces are automatically removed from memory after a period of inactivity. The application manages data through an in-memory d

PasswordPusher is a self-hosted secret sharing service and file sharing platform used to create encrypted, self-destructing links for sensitive text and files. It functions as a white-label security gateway, allowing organizations to manage the distribution of secrets on their own internal infrastructure. The system supports corporate white-labeling through custom domain mapping and branding customization to align the interface with a professional identity. It provides a RESTful API and command-line interface for the automated distribution of secrets within external scripts and workflows. Th

PushSharp is a server-side library that sends push notifications to iOS, Android, Windows, and other device platforms through their respective cloud messaging services. It provides a unified interface for delivering notifications across Apple Push Notification Service, Firebase Cloud Messaging, Amazon Device Messaging, Blackberry Push Service, Firefox OS Push Service, and Windows Push Notification Service. The library handles the complexities of push notification delivery through an asynchronous message queue that processes, batches, and retries notifications while respecting each platform's

Jitsu is an open-source customer data platform designed to orchestrate event data pipelines. It captures, transforms, and routes behavioral data from web and server sources into data warehouses and analytics tools, providing a unified infrastructure for managing event streams. The platform distinguishes itself through its focus on self-hosted, containerized operations that grant users full control over their data security and privacy. It features a robust identity resolution engine that stitches disparate user identifiers into persistent profiles across sessions and devices, alongside program

Passbolt is an open-source, self-hosted password manager designed for teams. It provides a centralized, encrypted vault where organizations can store, share, and manage credentials securely. The server exposes a JSON REST API that authenticates requests using either GPGAuth or JWT tokens, and all secrets are protected with OpenPGP end-to-end encryption, ensuring the server never has access to plaintext passwords. The platform distinguishes itself through a comprehensive role-based access control system that governs resource sharing and administrative actions. Teams can organize users into gro

Runtipi is a home server dashboard and orchestration tool designed for deploying and managing containerized applications. It provides a web-based interface for discovering and installing software from a curated app store, utilizing a Docker Compose orchestrator to handle the deployment of self-hosted services. The system integrates a reverse proxy and SSL manager to route external traffic to internal containers, automating HTTPS certificate renewal and domain assignment. It also features a built-in backup and update manager that uses cron-based scheduling to perform automatic security patchin

CodiMD is a real-time collaborative markdown editor and self-hosted knowledge base. It provides a shared workspace where multiple users can write and format notes using markdown syntax simultaneously. The platform extends basic editing by transforming markdown content into interactive mind maps for data visualization and structured visual slides for presentations. It functions as an OAuth compatible note server, integrating with external identity providers to manage user authentication and access control. The system supports self-hosting and cloud platform deployment, allowing users to maint

Baserow is a no-code relational database and application builder that allows users to create structured data tables and business tools through a visual interface. It functions as a headless REST API data backend and a self-hosted data workspace, providing a platform for managing collaborative databases while maintaining full control over data residency. The platform integrates large language models to serve as an LLM-powered data platform, capable of generating database structures, record content, and technical workflows from natural language. It also acts as a Model Context Protocol server,

ntfy is a shell notification utility and multiplatform notification router designed to alert users when long-running commands finish executing. It functions as a command completion notifier that dispatches messages to desktop or mobile devices based on process duration and terminal focus. The project is an extensible notification framework that integrates third-party API push services and custom notification modules through a standard function signature. This modular architecture allows for routing alerts across various chat platforms, push services, and system-level backends. The system cov

This project is a Kubernetes deployment guide and infrastructure provisioner designed for hobbyist and home lab environments. It provides a framework for setting up multi-node clusters across various cloud providers and physical or virtual nodes, acting as a self-hosted cluster orchestrator. The project focuses on security hardening and infrastructure stability through specific implementation guides. This includes a framework for network security that covers host firewalls and encrypted network overlays, as well as detailed instructions for configuring ingress routing to manage external publi

KurrentDB is an event-native database designed for event sourcing and event-driven architectures. It stores events as immutable, ordered records in streams, preserving a complete audit trail and enabling temporal queries. The database uses gRPC for all client-server and inter-node communication, providing efficient binary serialization and bidirectional streaming, and supports atomic multi-stream writes that ensure consistency across multiple streams in a single transaction. The database distinguishes itself with a built-in JavaScript projection engine that transforms, filters, and aggregates

Goatcounter is a self-hosted web analytics platform that collects visitor statistics without cookies, personal data, or persistent identifiers. It uses privacy-preserving techniques like anonymous session hashing to count page views and visits, and can be deployed on your own infrastructure using a binary or Docker container with SQLite or PostgreSQL storage. The platform offers multiple data collection methods, including a lightweight JavaScript snippet, an image-based tracking pixel for environments where scripts are blocked, and server log file parsing from nginx, Apache, Caddy, or CloudFr

Polr is a self-hosted URL shortener and link analytics platform. It allows users to create concise aliases for long web addresses and store all redirection and analytics data on private infrastructure to maintain full ownership of information. The system functions as a custom domain link manager, enabling the assignment of branded domains or specific naming schemes to shortened URLs. It also serves as a programmatic link orchestrator, providing a structured API and a command-line interface to automate link generation and perform administrative tasks without a manual dashboard. The platform c

IntentKit is an open-source platform for deploying and managing a collaborative team of AI agents that can work together to complete complex tasks. It provides a self-hosted agent orchestrator that coordinates multiple agents through a modular pipeline of entrypoints, orchestration, and storage, all running as containerized services using Docker Compose or Swarm for production-grade deployment. The platform distinguishes itself by offering a plugin-based system for extending agent capabilities without modifying the core codebase, along with built-in integrations for connecting agents to socia

Ackee is a self-hosted web analytics platform designed for tracking website traffic and visitor behavior. It functions as a privacy-first visitor tracker that allows for the collection of engagement metrics without relying on third-party cloud providers. The platform ensures data ownership through a self-hosted deployment model. It includes an analytics data API that provides a queryable interface for fetching detailed visitor data to create custom reports and external visualizations. The system covers web traffic analysis and privacy-focused user tracking. It supports the generation of tail

Kimai is an open-source time tracking system that records employee working hours, manages absences, and generates professional invoices from recorded timesheets and expenses. It organizes all time records through a mandatory three-level hierarchy of customer, project, and activity, and supports project budget monitoring with configurable time and money limits. The application is extensible through a plugin system that allows adding custom features, invoice templates, reporting views, and dashboard widgets without modifying core files. It provides a RESTful JSON API for programmatic read and w

CML is a pipeline automation tool for training and evaluating machine learning models, functioning as a CI/CD system for machine learning. It serves as a cloud compute orchestrator and Git-based workflow manager that automates model training cycles through branch management, automated commits, and integrated reporting. The project distinguishes itself by provisioning ephemeral cloud instances or Kubernetes nodes to provide specialized hardware for compute-heavy tasks. It also manages remote compute runners, allowing the connection of self-hosted GPU clusters or on-premise machines to execute

Fasten is a self-hosted, open-source personal health record application that aggregates medical data from thousands of healthcare providers using the FHIR protocol. It runs entirely on the user's own infrastructure, ensuring all medical records remain private and under the user's control without reliance on external cloud services. The application uses OAuth2 authentication to guide users through linking their healthcare provider accounts, pulling patient records into a unified local database. The platform provides condition-specific health dashboards that display tailored metrics and diagnos

Rallly is a group scheduling tool and collaborative event planner designed to coordinate meeting dates and collect participant availability. It functions as a multi-tenant meeting coordinator that allows users to propose date options via polls, visualize overlapping free time in a grid, and finalize meeting arrangements across different time zones. The project is built as a self-hosted scheduling application that can be deployed on private infrastructure using a containerized stack. This deployment model enables full data ownership and includes capabilities for corporate identity branding, al