Apache-2.0 License Open Source Tools

Fess is a very powerful and easily deployable Enterprise Search Server.

Face recognition system that provides REST API for face recognition, face detection, and other face services, and is easily deployed with docker. There are SDKs for Python and JavaScript languages. Can be used without prior machine learning skills.

Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time.

An ultra-scalable open-source MQTT broker. Connect 100M+ IoT devices in one single cluster, move and process real-time IoT data with 1M msg/s throughput at 1ms latency.

Fully-featured Matrix client for Web, iOS & Android.

Distributed, column-oriented, real-time analytics data store.

Turns any SQL/NoSQL/Structured data into Restful API.

Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.

Open Source IoT Platform with a wide range of integration options.

An open source multi-tool for exploring and publishing data, easy import and export and database management.

Federated, end-to-end encrypted messaging service for the web, iOS, and Android, supporting text, photos, video, and WebRTC video and audio calls.

Second-generation Matrix homeserver written in Go. It intends to provide an efficient, reliable and scalable alternative to Synapse.

CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions.

Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more.

An open-source & self-hostable Heroku / Netlify alternative (and even more).

A better commenting experience from Vox Media.

A simple, fast, and reliable chat server powered by Matrix.

Google Reader inspired self-hosted RSS reader.

Self-hosted management of databases, supports PostgreSQL, MySQL, SQLite and more. A web/hosted version of DBeaver.

Self-hosted tool for staying up-to-date with web-site content changes.

SMTP (email) server with a focus on simplicity, security, and ease of operation.

A self-hosted, open source user authorization layer for your applications.

Minimalistic S3-backed audio library.

Build your own PaaS in a few minutes.

A simple, easy-to-use, elegant open-source Home Cloud system.

Fast and lightweight DNS proxy (like Pi-hole) as ad-blocker for local network with many features.

A modern and accessible self-hosted web radio management suite.

Airflow is a platform to programmatically author, schedule, and monitor workflows.

Web app for hosting asciicasts.

Solr is the popular, blazing-fast, open source enterprise search platform built on Apache Lucene.

Cloud or self-hosted open-source platform to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.

Free, open source project aimed at the development of a high performance, feature rich weblog hosting software.

An open-source knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and more.

Database management in a single PHP file. Available for MySQL, MariaDB, PostgreSQL, SQLite, MS SQL, Oracle, Elasticsearch, MongoDB and others (fork of Adminer).