Open-source alternatives to Telegram IOS

Hoodie is a data synchronization framework and offline-first JavaScript backend designed to keep client-side data stores in sync with a remote backend. It provides a local-first persistence layer that allows applications to remain functional while offline by abstracting the client-side database. The system features a NoSQL backend interface that enables interaction with remote data stores without requiring custom server-side boilerplate code. This is supported by a modular driver system of pluggable backend adapters that connect the synchronization layer to various remote database providers.

Pyrogram is an asynchronous Python framework for interacting with the Telegram MTProto API. It serves as both a bot framework and a user client library, providing a concrete implementation of the MTProto protocol for secure communication with Telegram servers. The library distinguishes itself by providing a high-level wrapper layer that abstracts complex protocol methods into Python functions, while still allowing for the execution of raw API functions and low-level peer resolution. It supports multi-client concurrency, enabling the management of several user or bot identities within a single

Element Web is a web-based communication client used for real-time messaging and collaboration via the decentralized Matrix protocol. It functions as an end-to-end encrypted messenger, a VoIP client for voice and video conferencing, and an interface for interacting with integrated bots and external bridges. The project distinguishes itself through a modular architecture that supports runtime module loading and external script imports to extend core capabilities. It provides extensive white-labeling options, allowing for the customization of application branding, visual themes, and the use of

AyuGramDesktop is a modified Telegram desktop client and MTProto messaging client. It functions as a local message logger and a privacy-focused chat tool, providing a fork of the standard C++ Qt client. The project focuses on unlocking premium features and capabilities locally without a paid subscription. It distinguishes itself through a ghost mode that masks online presence and suppresses read receipts, as well as a system for preserving message history by logging deleted and edited content into a local database. The client includes tools for content management, such as bypassing restricti

MadelineProto is an asynchronous PHP library that provides a programmatic interface for interacting with the Telegram API using the MTProto protocol, the same protocol used by official Telegram clients. It functions as both a Telegram bot SDK and a userbot automation library, enabling PHP applications to connect to Telegram as either a bot account or a regular user account, sending and receiving messages, media, and other data directly without relying on the Bot API intermediary. The library is built on an event-driven architecture with Amp v3 fiber-based concurrency, allowing for non-blockin

Dash-iOS is a mobile documentation reader and technical reference library designed for Apple devices. It functions as an offline browser that allows users to store, view, and search technical reference materials locally on their device. The application provides a local-first approach to documentation storage, enabling users to access API guides and technical manuals without an active internet connection. It utilizes a local search index and metadata management to facilitate rapid lookups and navigation across stored documentation sets.

Three20 is an Objective-C iOS UI framework that provides a collection of native user interface components and networking tools for building iPhone applications. It functions as both a mobile UI component library for creating application screens and an iOS networking library for handling HTTP requests and data synchronization between mobile devices and servers. The framework covers the end-to-end process of iOS application development, including native UI construction, mobile network request handling, and Objective-C mobile programming.

Telethon is a Python asynchronous API wrapper and client library designed for interacting with the Telegram API. It implements the MTProto protocol to enable programmatic communication for both user accounts and bots. The project serves as a development framework for building custom Telegram clients and automating account actions. It provides the tooling necessary to create automated bots that manage group interactions and channel communications. The library supports messaging data integration and the automation of messaging workflows. It handles the translation of high-level calls into the

Yakyak is a cross-platform chat application and native desktop client designed for sending and receiving real-time messages and media via the Google Hangouts protocol. It is bundled as a native installer compatible with multiple operating systems and hardware architectures. The application functions as a multi-language communication tool with a localized user interface to support users across different global regions. It includes a real-time presence manager that synchronizes typing indicators and active client status. The platform covers conversation management, native system notifications

tg-ws-proxy is a local proxy server and network tool designed to route Telegram traffic through WebSocket connections. It functions as a bridge that tunnels MTProto protocol traffic to bypass network restrictions and circumvent firewalls that block direct connections to messaging services. The project includes a system tray proxy manager that provides a desktop interface for controlling the server state. This manager allows for updating connection secrets, viewing server logs, and restarting services through a native OS desktop tray icon. The system supports establishing proxy connections vi

Dootask is an open-source project management tool and self-hosted task orchestrator designed for task distribution, project tracking, and document management. It functions as a collaborative platform that integrates team communication and workflow organization within a single workspace. The platform includes a collaborative document suite for creating shared documents, mind maps, and flowcharts. It also operates as an encrypted team communication platform, utilizing asymmetric encryption to secure internal conversations and data exchange. The system covers broader capabilities in identity ma

Chat.io is a real-time messaging platform designed for bidirectional communication between clients and servers. It provides a complete infrastructure for managing persistent user connections, chat sessions, and instant message delivery through event-based messaging protocols. The platform integrates secure identity verification by supporting both local credentials and third-party social media authentication. It manages application data and user profiles using a document-oriented database, while utilizing a high-performance caching layer to handle active user sessions and transient data. The

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

MobileIMSDK is an open-source instant messaging framework that provides reliable real-time message delivery across iOS, Android, Java, HarmonyOS, and web platforms. At its core, it offers a unified communication layer that transparently supports UDP, TCP, and WebSocket transports, enabling developers to send and receive messages without managing protocol differences or connection state. The framework includes an automatic reconnection engine that detects network outages and restores connections without manual intervention, with built-in message retransmission and deduplication to guarantee exa

This project is a messaging SDK for Android applications, providing the core infrastructure for real-time communication using Kotlin and Jetpack Compose. It offers a suite of modular, declarative UI components and a backend-connected API to manage user authentication, persistent socket connections, and data synchronization. The SDK is distinguished by its offline-first architecture, which utilizes local database persistence to cache conversation history and queue user actions for synchronization once network connectivity is restored. Developers can customize the messaging experience through a

tdl is a command-line tool for Telegram account automation, media management, and data archiving. It provides a programmatic interface for downloading and uploading files, forwarding messages, and exporting chat history, member lists, and media into structured JSON files. The project distinguishes itself through a session management system that isolates multiple account identities using unique namespaces. It features expression-based routing for messages and uploads, allowing users to direct content to specific destination chats using custom logic and dynamic caption generation. The tool cov

BigBlueButton is an open-source virtual classroom software and meeting server designed for hosting real-time online teaching sessions. It functions as a WebRTC video conferencing platform and collaboration suite, providing a self-hosted environment for virtual classroom management and online course administration. The system distinguishes itself through specialized educational tools, including an interactive quiz engine, breakout room coordination, and live polling. It provides a comprehensive suite of collaborative assets such as a shared infinite whiteboard, real-time co-authored notes, and

EhPanda is a native iOS application for browsing and managing remote digital galleries and categorized media collections. It functions as a media gallery browser, a BitTorrent content downloader for local archiving, and an SNI proxy network client. The application includes a network layer designed to circumvent regional restrictions and SNI filtering to maintain access to restricted remote services. It further enables digital media archiving by importing external assets and galleries via torrent files for offline storage. The system provides tools for remote gallery browsing, category-based

Colanode is a local-first collaboration platform designed for shared documents, chat, and databases. It provides a self-hosted suite for team collaboration and knowledge management, allowing users to maintain full control over their data and privacy on their own infrastructure. The platform is distinguished by a synchronization engine that uses WebSockets for real-time data broadcasting and a local-first approach to ensure work continues offline. It incorporates AI-powered retrieval through vector-based semantic search, enabling users to find information based on meaning across documents and

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

Open-IM-Server is an instant messaging server and cross-platform messaging backend designed for real-time text and media communication. It provides a distributed chat architecture that coordinates user sessions and group communications across multiple server nodes to support millions of concurrent users. The system features a scalable message distribution model that utilizes asynchronous message pipelines and distributed queueing to maintain reliability during traffic spikes. It employs multi-level data caching across local memory and distributed stores to reduce latency and uses a document-b

This repository is a collection of Java backend projects, encompassing a web application suite, a real-time chat server, a web crawler, and an authentication system. It provides implementations for building server-side logic and business rules to process data and handle web requests. The project includes a networked messaging system for instant bidirectional communication and an automated web scraping engine that parses HTML to aggregate data into local storage. It also features a security framework for managing user permissions and generating visual captchas to prevent automated bot access.

This is a minimal WebSocket library for Go designed for bidirectional real-time communication. It serves as a network protocol implementation for managing handshakes, frame masking, and control signals to enable the exchange of text and binary messages over persistent connections. The library distinguishes itself by providing a connectivity layer that wraps browser WebSocket APIs for applications compiled to WebAssembly. It also functions as data compression middleware, utilizing deflate compression to reduce bandwidth usage for transmitted messages. The project covers a broad range of netwo

Aidoku is a manga reader application and digital library manager. It serves as a modular content aggregator that allows users to discover, download, and read manga from various third-party sources and local files. The application utilizes a modular source plugin system to integrate external provider packages, enabling the ingestion of content from multiple third-party sources. It includes a sync engine that communicates with external tracking APIs to maintain consistent reading progress across different platforms. The system covers manga library management, including the ability to search fo

Cinny is a decentralized chat interface and web client designed for the Matrix protocol. It serves as a front-end application that enables users to send and receive secure messages and engage in group conversations across a federated messaging network. The application is built as a static web application, allowing it to be deployed as static files or hosted within Docker containers. This structure supports self-hosted chat infrastructure where users maintain control over their communication data. The interface provides tools for real-time team communication, including the ability to organize

This project provides a collection of instructional guides and tutorials for Android app development, native mobile application creation, and computer science education. It focuses on building native applications through step-by-step implementation, covering the development of user interfaces and the integration of system hardware and permissions. The material extends into broader technical domains, including the study of fundamental data structures and algorithms for technical interview preparation. It also covers cybersecurity fundamentals, such as identifying web vulnerabilities and implem

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.