Best Open-Source For Teams | open-source.storeAll categoriesFor Teams
Open source alternatives for popular business and team software.
197 tools found 
Mermaid
Mermaid turns markdown text into diagrams as code, replacing manual drawing tools with version-controlled visual flows inside git repositories.
91.0kLinuxmacOSWindowstoday MITGantt Charts & Timeline

Apache Superset
Apache Superset is an open-source BI platform replacing Tableau with in-place SQL querying, direct database drivers, and zero seat fees.
75.4kLinuxmacOSWindowstoday Apache-2.0Business Intelligence & BI

OpenBB
Self-hosted open data platform that connects financial feeds to Python and AI agents, replacing costly terminals with private data pipelines.
Business Intelligence & BI

Plane
Plane is an open-source project management suite replacing Asana and Monday.com with cycles, docs, and self-hosted control without per-seat fees.
61.9kLinuxmacOSWindowstoday AGPL-3.0Project Management Suites

Twenty
Twenty is an open-source CRM alternative to Salesforce and Pipedrive that lets teams define custom objects, workflows, and views as TypeScript code.
60.4kLinuxmacOSWindowstoday AGPL-3.0CRM Core & Sales

Gitea
Gitea provides lightweight self-hosted Git hosting, issue tracking, and CI/CD, replacing heavy Jira stacks with a single low-footprint Go binary.
58.8kLinuxmacOSWindowstoday MITIssue & Bug Tracking
Go & gRPC engineer · founder of EasyP
PromotedGo, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.
GogRPCProtobufLLM agents

Odoo Community
Odoo Community is an open-source ERP replacing Odoo Enterprise and NetSuite with self-hosted inventory, CRM, sales, and modular business apps.
55.5kLinuxmacOSWindowstoday LGPL-3.0ERP Systems

Metabase
Open-source business intelligence platform replacing Tableau and Power BI with no-code querying, SQL dashboards, and self-hosted AGPL-3.0 reporting.
50.1kLinuxmacOSWindowstoday AGPL-3.0Business Intelligence & BI

Rocket.Chat
Rocket.Chat is an open-source Slack alternative providing self-hosted team messaging, custom TypeScript apps, and complete control over internal data.
46.4kLinuxmacOSWindowstoday MITTeam Chat & Collaboration

Hyperswitch
Hyperswitch is an open-source payment orchestration switch that routes transactions across Stripe, Adyen, and other gateways to reduce processing costs.
45.7kLinuxmacOSWindowstoday Apache-2.0Payments & Billing

Outline
Outline is a fast self-hosted team wiki replacing Confluence with markdown editing, real-time collaboration, and instant search on your own servers.
41.1kLinuxmacOSWindows1d ago BSD-3-ClauseTeam Wikis & Knowledge

ERPNext
ERPNext is an open-source ERP alternative to Odoo and NetSuite that unifies accounting, inventory, and payroll with auto-generated REST APIs and webhooks.
40.9kLinuxmacOSWindowstoday GPL-3.0ERP Systems
Windows
today
AGPL-3.0Project Management Suites
Windows
today
2d ago
Business Intelligence & BI