HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.

• Open source
• General purpose open source tools

The open source CRM for community energy groups.

• Affordable and clean energy

• General purpose open source tools
• CRM

A public-owned social network for public institutions (municipalities, schools, libraries, hospitals, museums, etc) to engage communities without using Big Tech, and instead using infrastructure based on public values

• General purpose open source tools
• Social networks
• Open social

BudLib is an open-source Library Management System, built and designed from ground up, primarily for smaller and independent schools.

• students
• libraries

• General purpose open source tools
• Open knowledge

We're a Community Creating Open Source Solutions for Financial Services

• General purpose open source tools
• Fintech for good

Spacetube is a group-to-group chat tool built on top of Matrix, a secure decentralised communication protocol.

• Open source
• General purpose open source tools
• Chat and messaging

A definition and license for open source compatible licensing of neural network weights

• Artificial Intelligence
• Open source
• General purpose open source tools

Open source financial management software for organizations (Die Finanzverwaltungssoftware)

• students
• Prototype Fund

• Nonprofit tech
• Bureaucracy tech
• General purpose open source tools

Open source chat and collaborative software like Slack and Teams

• Open source
• General purpose open source tools
• Internal communication and coordination

Podlove is a group of Wordpress plugins and allows you to self-host your podcast.

• Wordpress

• Open source
• Decentralization
• General purpose open source tools

The OpenAIRE project, in the vanguard of the open access and open data movements in Europe was commissioned by the EC to support their nascent Open Data policy by providing a catch-all repository for European Commission funded research.

• Github

• Civic data
• Open data publishing portals
• Open source

A decentralized toolkit for funding your critical software dependencies.

• Build something
• Open source
• Decentralization

Radicle is a sovereign peer-to-peer network for code collaboration, built on top of Git.

• Build something
• Open source
• Decentralization

Slack alternative - "The secure collaboration hub for technical teams"

• Slack

• Open source
• General purpose open source tools
• Internal communication and coordination

Free tool that takes a Wikipedia URL and extracts data to CSV

• Wikipedia

• Civic data
• Open source
• General purpose open source tools

A free, open source tool that displays open analytics for Wikipedia pages

• Wikipedia

• Media and social media analysis
• Open source
• General purpose open source tools

Shareable, no-login calendar

• Open source
• General purpose open source tools
• Organize events

Enter a UK postcode and this tool returns the constituency it belongs to

• Civic data
• Mapping
• Open source

FediPlan is an open source application (source code) built for scheduling your messages with Mastodon or Pleroma (2.7+).

• Decentralization
• General purpose open source tools
• Social media

Odoo is a suite of open source business apps that cover all your company needs: CRM, eCommerce, accounting, inventory, point of sale, project management, etc.

• Open source
• General purpose open source tools
• CRM

Open source no-code database and Airtable alternative

• Open source
• General purpose open source tools

Penpot is the Open-Source Design & Prototyping Tool for Product Teams (Figma alternative)

• Open source
• General purpose open source tools
• Design

The only FOSS-based service offering Matrix chat server hosting

• Matrix

• Ethical tech and responsible tech
• Open source
• General purpose open source tools

We provide online meeting and conferencing tools, powered by renewable energy, running on cooperatively owned infrastructure.

• coop

• Open source
• General purpose open source tools
• Tech for your meetings

Reliable open source digital infrastructure!

• Open source
• General purpose open source tools
• Web hosting

Social Media Scraper is a tool helping journalists and watchdogs to keep politicians accountable for the statements they make in social media.

• The Tech
• Media
• Advocacy tech

CiviCRM is an open source CRM built by a community of contributors and supporters, and coordinated by the Core Team

• Organize campaigns
• General purpose open source tools
• Predecessors & Pioneers