Best Open Source Business & Productivity Tools in 2026

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Open Source Alternatives

itsnotes

stars 23forks 0

A self-hosted Google Keep alternative for power users.

Self Hosted Note-taking Apps Knowledge Management

Twake Chat

stars 157forks 43

Matrix team chat with a companion identity server

Chat Self Hosted Privacy Tools

Twake Mail

stars 91forks 35

AGPL mail backend with an official Flutter client

Email Self Hosted Privacy Tools

Twake Drive

stars 922forks 156

Twake file management for Cozy-backed Drive workflows

File Sync & Storage Self Hosted Privacy Tools

Orgnise

stars 241forks 35

Centralize wikis, docs, and project tasks in a self-hosted workspace.

Knowledge Management Project Management Self Hosted+2

Vaultwarden

stars 62.2Kforks 2.9K

Self-hosted Bitwarden-compatible password management

Security Authentication Self Hosted+2

GenericAgent

stars 12.8Kforks 1.5K

Autonomous agent that evolves skills over time

AI Agents Workflow Automation Task Management+4

omi

stars 12.8Kforks 2K

Open AI memory assistant for meetings, screens, and wearables

Personal Assistant Screen Recorders Knowledge Management+4

Automatisch

stars 13.9Kforks 1.1K

Self-hosted Zapier alternative for workflow automation

Workflow Automation No Code Self Hosted+3

Redash

stars 28.6Kforks 4.6K

Connect to any data source, query, visualize, and share

Data Visualization Web Analytics Developer Tools+3

Signal

stars 10.6Kforks 2.5K

A secure messaging app focused on privacy and user experience.

Chat Privacy Tools Security+1

Huginn

stars 49.6Kforks 4.3K

Self-hosted agents that watch the web and trigger automations

Workflow Automation Self Hosted AI Agents+4

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