Business Software

ONLYOFFICE Docs

AGPL-3.0

Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.

Quiet

GPL-3.0

Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.

Rocket.Chat

Unknown

Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Stoat

Unknown

Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.

Sync-in

AGPL-3.0

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Teable

AGPL-3.0

Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Tldraw

Unknown

Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.

Twake Chat

AGPL-3.0

Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.

UnInbox

Unknown

Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.

Wire

GPL-3.0

A comprehensive collaboration platform offering end-to-end encrypted messaging, file sharing, and video calls with enterprise-grade security and compliance features.

Workadventure

Unknown

Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.

Zulip

Apache-2.0

Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

Cal.com

MIT

Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Chobble Tickets

Unknown

Event ticketing platform with flat £50/year fee, no commission or booking charges. Open source, encrypted, self-hostable with unlimited events and tickets.

Easy!Appointments

GPL-3.0

Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Hi.Events

Unknown

Hi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.

Rallly

AGPL-3.0

A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.

Documenso

AGPL-3.0

Streamline your document workflows with a powerful, privacy-focused e-signature platform that puts you in control of your data.

Docuseal

AGPL-3.0

DocuSeal is an open source e-signature platform that provides fast, easy document signing with developer-friendly API integration.

OpenSign

AGPL-3.0

A powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.

Paperless-home

GPL-3.0

A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.

Papermark

AGPL-3.0

Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.

Papra

AGPL-3.0

A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.

Seafile

Unknown

Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.