Top MAP GitHub Repositories & Tools (2026)

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.

Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

📖 An open-source multimedia journal for expressive, private journaling, with 100% data ownership.

Your favorite self-hostable alternative to Google Timeline (Google Location History)

rhythm is just a *click* away!

Free implementation of Play Services

A beautiful, powerful, self-hosted ROM manager and player.

An Android app to remap the buttons on your devices

an open source geocoder for openstreetmap data

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.

Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

A Weather app for android with multiple sources 🌦🌞☔

Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

OpenLayers

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

A cross-platform .NET library for IMAP, POP3, and SMTP.

🆔 The easy-to-use OpenStreetMap editor in JavaScript.