30 open-source projects similar to mattermost/mattermost-mobile, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
Worklenz is a project management platform and professional services automation tool designed for planning work, tracking tasks via Kanban boards, and managing team collaboration. It functions as a combined resource management tool and time tracking software, providing a centralized workspace to analyze team capacity, balance workloads, and log work hours. The platform is distinguished by its deep integration with GitHub and Slack, allowing for the synchronization of repository activity and the delivery of real-time project notifications to external communication channels. It further streamlin
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
Backlog.md is a local-first project tracker and Markdown task manager that stores project data as plain text files in a local folder. It functions as a command-line interface tool for creating and organizing tasks and as a Kanban board visualizer that renders these task lists into interactive web and terminal interfaces. The project serves as an AI agent workflow orchestrator, providing a protocol that allows AI assistants to decompose high-level ideas into actionable tasks and implementation plans. It ensures a standardized definition of done by automatically applying reusable, project-wide
Taskcafe is a self-hosted task management system and collaborative work management platform. It provides a private workspace for organizing work through a variety of interfaces, including Kanban boards, hierarchical outlines, and calendars. The platform is designed for containerized deployment, orchestrating the application, database, and cache to ensure consistent environment management. It distinguishes itself by offering project portfolio dashboards for high-level monitoring and the ability to create public project boards that allow external visitors to view content without authentication.
Kanboard is a self-hosted Kanban project management tool and productivity suite designed for tracking software tasks and team collaboration. It provides a visual system for managing workflows through the use of boards, columns, and cards. The project features an extensible plugin framework and a comprehensive API for programmatic task and project administration. It includes specialized identity management through LDAP integration, allowing for the synchronization of user accounts and group permissions from directory servers. The system covers a wide range of capabilities, including event-dri
Tasks.md is a self-hosted, file-based productivity tool that provides a visual interface for managing workflows. It functions as a Kanban board by mapping local filesystem directories and plain text files directly to project boards, lanes, and task cards. The application distinguishes itself by using the local filesystem as its primary database, ensuring that all task data remains portable and compatible with version control systems. It treats sub-directories as independent project workspaces, allowing users to organize their work by manipulating the file structure. The system performs server
Focalboard is an open-source project management tool and collaborative task organizer. It functions as a kanban board system where users define, track, and update project tasks within a shared digital workspace. The platform is designed for self-hosted team collaboration, allowing organizations to manage project goals and workflows on their own private infrastructure. It provides a visual environment for mapping out complex projects and coordinating team efforts without the use of proprietary software. The software covers project task management and visual workflow organization through the u
OpenProject is an open-source work management and project portfolio platform designed for tracking tasks, managing project lifecycles, and overseeing strategic objectives. It provides a centralized environment for organizing team workflows through agile boards, Gantt charts, and roadmaps, while supporting complex project hierarchies and resource capacity planning across large organizations. The platform distinguishes itself through specialized support for building information modeling, allowing teams to import, visualize, and coordinate 3D models and construction issues directly within a web
Leantime is an open-source project management platform designed to track tasks, milestones, and workflows using Kanban boards and Gantt charts. It functions as a strategic planning tool that links daily operational tasks to high-level business goals and long-term objectives, while also serving as a time tracking and billing system for managing work hours and client estimations. The platform differentiates itself through an integrated AI-powered project assistant that decomposes complex tasks, generates status reports, and provides project insights. It further distinguishes its offering with a
Mobile app for Chatwoot - React Native
Ever Gauzy is an integrated business management suite providing an ERP and CRM framework for professional services automation. It functions as a multi-tenant SaaS platform that combines time tracking, billing, and human resource management into a unified system. The project is distinguished by its headless architecture, utilizing a REST and GraphQL API gateway to expose business operations. It features a Model Context Protocol server that allows AI assistants to interact with system data and execute functional tools for automated business workflows. The platform covers a broad operational su
Gauzy is an open business management platform and multi-tenant enterprise resource planning system. It provides a modular business framework designed to manage core organizational operations through a unified web interface or as a headless business API. The platform is distinguished by its integration with the Model Context Protocol, allowing it to act as a server that exposes business data and system functions as tools for AI assistants. It utilizes a dynamic plugin architecture and a dedicated marketplace to extend core business entities and services. The system covers a broad range of ope
TSWeChat is a native iOS instant messaging client developed using the Swift programming language. It provides a mobile interface for real-time text communication, voice notes, and multimedia messaging. The application implements specialized utilities for multimedia handling, including an audio format converter to ensure voice recordings are compatible across different mobile devices. It also features custom input interface tools to modify the behavior and appearance of the system keyboard for rich message entry. The system manages user relationships through a structured contact address book
Baserow is a self-hosted, no-code relational database platform built on PostgreSQL. It provides a spreadsheet-like interface for structuring and managing data without writing code, while exposing all database resources via a REST API to support headless architectures. The platform distinguishes itself by integrating large language models and embedding servers to power AI assistants and automated data generation. It further extends its utility as a no-code application builder, allowing users to create custom internal portals, dashboards, and business tools using visual logic and managed data.
This project is a comprehensive sample library and implementation guide for ASP.NET Core. It provides a collection of practical examples and projects that demonstrate how to build web applications, RESTful APIs, and high-performance services. The repository focuses on a variety of architectural patterns, including the development of Minimal APIs, contract-first gRPC services, and real-time communication using WebSockets and Server-Sent Events. It includes detailed implementations for user identity and security, such as token-based authentication and CSRF protection. The codebase covers a bro
Mastra is an orchestration framework designed for building, deploying, and managing autonomous AI agents and multi-agent systems. It provides a comprehensive suite of primitives for creating resilient AI applications, including durable workflow orchestration, event-driven agent loops, and semantic memory management. By integrating these core components, the platform enables developers to build complex, multi-step processes that can reason about goals and execute tasks without manual intervention. The framework distinguishes itself through its focus on observability and secure, isolated execut
TagSpaces is an offline-first file tagging and organization platform that lets you manage local files with portable metadata stored directly in filenames or sidecar JSON files, eliminating the need for a central database. It functions as a full-text file search engine, a Kanban board file organizer, a local AI file assistant, an S3-compatible cloud file manager, and a web clipper and bookmark manager, all within a single application. The project distinguishes itself through a local-first architecture where all file operations, indexing, and AI processing run entirely on the device, with cloud
HuLa is an open-source communication suite and cross-platform chat client designed for real-time instant messaging, voice, and video calls. It functions as an LLM-integrated messaging platform and an AI-powered social manager that synchronizes user data and settings across different operating systems. The platform integrates large language models to provide automated AI assistants, real-time message translation, and chat log summarization. It further utilizes artificial intelligence for user sentiment analysis to assist with social matching and risk management. The system includes a high-per
Flamingo is a self-hosted instant messaging platform and collaborative communication suite. It provides a centralized backend for user authentication and message routing, enabling real-time text and multimedia exchange for distributed teams. The platform integrates a remote desktop tool for administering sessions directly within the communication flow and utilizes a store-and-forward system to ensure files and messages are delivered to offline users. It also includes an automated client update system that detects and installs software updates across supported desktop operating systems. The s
Once Campfire is a self-hosted team chat platform and real-time messaging server. It provides a web-based communication environment for internal team messaging, featuring group channels, private direct messages, and a bot-integrated system for automating external messaging services. The platform is distributed as a dockerized collaboration suite, allowing for containerized deployment with bundled application dependencies and automated SSL provisioning. The system covers a broad range of collaboration capabilities, including chat management with granular access controls, file attachment shari
Papercups is an open-source live chat platform and self-hosted customer messaging system. It provides a real-time communication infrastructure consisting of an embeddable web widget for customers and a containerized administrative dashboard for support teams. The platform features an omnichannel messaging hub that aggregates and normalizes conversations from email, SMS, and third-party chat channels into a single unified stream. It also includes a framework for deploying automated FAQ chatbots to handle initial inquiries and a real-time session monitoring tool that allows agents to view a use
Element Android is a decentralized instant messaging application built on the Matrix protocol. It enables users to exchange messages and collaborate across different servers without relying on a single central provider. The application focuses on data privacy and security through end-to-end encrypted messaging, ensuring that private messages and files are only readable by the intended recipients. It supports secure team collaboration via encrypted channels and provides cross-platform chat integration.
Mpush is a real-time message push system and encrypted messaging gateway designed to deliver instant notifications to mobile and web clients. It functions as a session management service and a network traffic controller, utilizing persistent network connections to ensure updates reach users without manual screen refreshing. The system includes an HTTP reverse proxy that routes external domain requests to internal IP addresses with integrated connection timeout management. It maintains communication stability through a persistent session manager that tracks client heartbeats and session expira
SpaceBarChat is an open-source, self-hosted chat server that implements the Discord client-server protocol, allowing existing Discord clients and bots to connect without modification. It provides a complete communication platform for real-time messaging, voice, and video, all running on your own infrastructure with data stored in a PostgreSQL database that automatically synchronizes its schema with the application source code. The platform is built on a three-service architecture that separates API, Gateway, and CDN processes, communicating via Unix domain sockets or RabbitMQ for coordination
This project is a self-hosted communication suite and private messaging infrastructure. It is a containerized chat platform designed for deployment on independent hardware to maintain full control over user data and server dependencies. The system features a modular plugin framework that allows custom features and behaviors to be loaded into the client at runtime via manifest files. It is designed as a proxy-compatible service, supporting configurable network port routing to operate behind external reverse proxy servers. The platform covers capabilities for containerized service orchestratio
FairEmail is an open-source email client for Android that supports standard IMAP and SMTP protocols. It serves as a privacy-focused communication tool that manages multiple accounts through a unified inbox and provides PGP encryption and decryption for secure messaging. The application prioritizes data privacy by blocking tracking pixels and requiring manual confirmation before loading external images. It secures sensitive information through biometric authentication and personal identification numbers to restrict unauthorized access to the device. The client includes a suite of organization
Cim is a distributed instant messaging system and server-side backend designed to manage real-time communication across a cluster of servers. It provides a scalable infrastructure for routing private and group messages while tracking user connection states and session locations across distributed nodes. The project features an interception layer for AI messaging middleware, which allows artificial intelligence agents to intercept incoming communication and generate automated responses. It also includes a real-time push infrastructure to deliver notifications and messages from the server to en
PeerJS Server is a WebRTC signaling server and connection broker that coordinates handshakes between clients to establish direct peer-to-peer connections. It functions as a coordination point for discovering peer identifiers and initiating real-time media and data streams between remote browser clients. The project can be deployed as a dedicated signaling server or integrated as Node.js middleware within an existing web application to share a single network port. It manages the lifecycle of peer connections through a centralized signaling process, assigning unique identifiers to clients and m
Lets-chat is a self-hosted team communication platform and XMPP chat server designed for private messaging. It provides a containerized communication environment for small teams to exchange messages and files, featuring a programmable REST API for automating conversations and managing messages from external tools. The platform functions as an XMPP gateway and server, ensuring interoperability with other compliant messaging clients. It distinguishes itself by supporting enterprise identity management, allowing administrators to verify user identities through local accounts or external director
This project is an Android messaging application and a client implementation of the MTProto protocol. It serves as a native mobile interface for real-time communication and file sharing on the Android operating system. The application functions as a client that connects to the Telegram MTProto protocol to facilitate the transmission of encrypted text and media messages between users. The system includes capabilities for secure mobile communication, messaging API integration, and the implementation of client-side logic for connecting to a centralized messaging backend.