A scalable, distributed, collaborative, document-graph database, for the realtime web

Etherpad: A modern really-real-time collaborative document editor.

Fast, collaborative live terminal sharing over the web

Automate code & data workflows with interactive Elixir notebooks

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

LibRec: A Leading Java Library for Recommender Systems, see

A drop-in javascript spreadsheet library that provides rich features like Excel and Google Sheets

Online collaborative Whiteboard that is simple, free, easy to use and to deploy

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.

The ultimate list of which programs support Vim-like keybindings natively, or how they can be added with extensions. A collaborative project.

🐙 OctoBase is the open-source database behind AFFiNE, local-first, yet collaborative. A light-weight, scalable, data engine written in Rust.

Typing in Tandem. Decentralized, cross-editor, collaborative text-editing!

Lightweight collaborative Whiteboard / Sketchboard

JSON CRDT, JSON CRDT Patch, JSON Patch+, JSON Predicate, CBOR, MessagePack, UBJSON, JSON Reactive RPC, JSON-RPC 2.0, JSON Pointer, JSON Expression, JSON Type

A collection of multi agent environments based on OpenAI gym.

📑 Collaborative document editing using Markdown

Bonfire - tend to your digital life in community. Customise and host your own online space and control your experience at the most granular level.

Production Data Science: a workflow for collaborative data science aimed at production

Collaborative markdown with math