Option A
Scalable PaaS for your own server.
CapRover is an open-source PaaS built on Docker Swarm — one-click apps, automatic SSL, and a friendly UI.
- Founder
- Kasra Bigdeli
- Founded
- 2018
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026
Option B
Excalidraw
Developer Tools
Virtual whiteboard for sketching hand-drawn diagrams.
Excalidraw is the most beloved hand-drawn-style diagramming tool on the web — open source, collaborative, and used by engineers everywhere.
- Founder
- Christopher Chedeau
- Founded
- 2020
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026