picfit is a reusable Go server to manipulate images (resize, thumbnail, etc.).

It will act as a proxy on your storage engine and will be served ideally behind an HTTP cache system like varnish.

It supports multiple storage backends and multiple key/value stores.

Restic is a modern backup program that can back up your files from Linux, BSD, Mac and Windows to many different storage types, including self-hosted and online services

Open Source Notion Alternative

Dendron is an open-source, local-first, markdown-based, note-taking tool. It's a personal knowledge management solution (PKM) built specifically for developers and integrates natively with IDEs like VS Code and VSCodium.

Open source emojis for designers, developers and everyone else!

MeiliSearch is a powerful, fast, open-source, easy to use and deploy search engine. Both searching and indexing are highly customizable. Features such as typo-tolerance, filters, and synonyms are provided out-of-the-box.

Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s

Backstage is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly — without compromising autonomy.

Backstage unifies all your infrastructure tooling, services, and documentation to create a streamlined development environment from end to end.

Smooth git handover for remote pair/mob programming.

mob is an open source command line tool written in go
mob is the fastest way to hand over code via git
mob keeps your branches clean and only creates WIP commits on temporary branches
mob has a shared team timer timer.mob.sh

Airflow is a platform created by the community to programmatically author, schedule and monitor workflows.

Jina is a neural search framework that allows to build deep learning search applications in minutes. It provides scalable indexing, querying, understanding of any data: video, image, long/short text, music, source code, PDF, etc.

CryptoZombies is a free, open source, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics.

Growth Book is an open source experimentation platform designed for companies that want to bring A/B testing in-house, but don't want to build it themselves.

Apache Superset is a modern data exploration and visualization platform

Keycloak is an Open Source Identity and Access Management solution for modern Applications and Services.

Pyroscope is an open source continuous profiling platform. It will help you:

• Find performance issues in your code
• Resolve issues with high CPU utilization
• Understand the call tree of your application
• Track changes over time

Open Streaming Platform (OSP) is an open-source, RTMP streamer software front-end for Arut's Nginx-RTMP Module. OSP was designed as a self-hosted alternative to services such as Twitch.tv, Ustream.tv, Mixer, and Youtube Live.

OSP uses Python 3, the Flask Micro-Framework, Nginx-RTMP, VideoJS, Bootstrap, and other modules to build a home for your live streams, videos, and community.

Temporal is a microservice orchestration platform which enables developers to build scalable applications without sacrificing productivity or reliability. Temporal server executes units of application logic, Workflows, in a resilient manner that automatically handles intermittent failures, and retries failed operations.

Plausible is a lightweight and open-source website analytics tool. It doesn’t use cookies and is fully compliant with GDPR, CCPA and PECR.

Theia is an open-source cloud & desktop IDE framework implemented in TypeScript.