The Complete Open Source Stack for Startups (2026)

Replace your entire SaaS stack with free, self-hosted tools. Built for teams of 2-20 who want to own their data and eliminate per-seat costs from day one.

$18,670
potential annual saving for a 25-person team switching every tool in this stack

Your complete open-source stack

💬
Slack
→ Mattermost
Save $2,625/yr Compare →
📝
Notion
→ AppFlowy
Save $3,000/yr Compare →
🎨
Figma
→ Penpot
Save $4,500/yr Compare →
📋
Jira
→ Plane
Save $2,445/yr Compare →
⚙️
GitHub
→ Gitea
Save $2,100/yr Compare →
🎥
Zoom
→ Jitsi Meet
Save $4,000/yr Compare →
Savings calculated for a 25-person team vs. published pricing. Actual savings vary by team size and plan.

🕐 How long does switching take?

Most teams complete one tool migration per weekend with one technical team member. With two dedicated weekends, you can switch your entire stack. Every comparison above includes a step-by-step migration guide.

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