Astuto is a free, open source, self-hosted customer feedback tool. It helps you collect, manage and prioritize feedback from your users.

GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly.

Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.

CryptPad is the Zero Knowledge realtime collaborative editor.

Encryption carried out in your web browser protects the data from the server, the cloud and the NSA. It relies on the ChainPad realtime engine.

n8n (pronounced nodemation) helps you to interconnect each and every app with an API in the world with each other to share and manipulate its data without a single line of code. It is an easy to use, user-friendly and highly customizable service, which uses an intuitive user interface for you to design your unique workflows very fast. Hosted on your server and not based in the cloud it keeps your sensible data very secure in your own trusted database.

Documize is an open source modern, lightweight and comprehensive alternative to Confluence.

It's built with Golang + EmberJS and compiled down to a single executable binary for Linux, Windows and macOS.

Fragment is a collaborative cross-platform audiovisual live coding environment with pixels based real-time image-synth approach to sound synthesis, the sound synthesis is powered by pixels data produced on the graphics card by live GLSL code, everything is based on pixels!

Vector is an open-source utility for collecting, transforming, and routing logs, metrics, and events.

Lynis is a battle-tested security tool for systems running Linux, macOS, or Unix-based operating system. It performs an extensive health scan of your systems to support system hardening and compliance testing.

Sonic is a fast, lightweight and schema-less search backend. It ingests search texts and identifier tuples that can then be queried against in a microsecond's time.

Sonic can be used as a simple alternative to super-heavy and full-featured search backends such as Elasticsearch in some use-cases. It is capable of normalizing natural language search queries, auto-completing a search query and providing the most relevant results for a query. Sonic is an identifier index, rather than a document index; when queried, it returns IDs that can then be used to refer to the matched documents in an external database.

CoolQLCool (CQC) is an open source GraphQL server that allows you to turn websites into GraphQL APIs.

Beautiful & simple service statuses. The open source status page system, for everyone.

Tiny Tiny RSS is a free and open source web-based news feed (RSS/Atom) reader and aggregator.

Feedbin is an open source web based RSS reader. It provides a user interface for reading and managing feeds as well as a REST-like API for clients to connect to.

Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations.

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms.

Jitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions. At the heart of Jitsi are Jitsi Videobridge and Jitsi Meet, which let you have conferences on the internet, while other projects in the community enable other features such as audio, dial-in, recording, and simulcasting.

Twill is an open source Laravel package that helps developers rapidly create a custom CMS that is beautiful, powerful, and flexible. By standardizing common functions without compromising developer control, Twill makes it easy to deliver a feature-rich admin console that focuses on modern publishing needs.

The Infection Monkey is an open source security tool for testing a data center's resiliency to perimeter breaches and internal server infection. The Monkey uses various methods to self propagate across a data center and reports success to a centralized Monkey Island server.

A fully featured network monitoring system that provides a wealth of features and device support.