September 2026 cohort / Developer tools
C3 Playground
OnlineCompiles and runs C3 code in the browser for interactive experimentation.
- Status
- Onlinesince Nov 5, 2026
- First launched
- Sep 24, 2026
- Category
- Developer tools
- Type
- Developer tool
- Pricing
- Not tracked yet
- Domain
- c3-lang.org
Last 30 days
100% of checks answered · median response 736 ms
- Oct 8, 2026: Not checked
- Oct 9, 2026: Not checked
- Oct 10, 2026: Not checked
- Oct 11, 2026: Not checked
- Oct 12, 2026: Not checked
- Oct 13, 2026: Not checked
- Oct 14, 2026: Not checked
- Oct 15, 2026: Not checked
- Oct 16, 2026: Not checked
- Oct 17, 2026: Not checked
- Oct 18, 2026: Not checked
- Oct 19, 2026: Not checked
Domain and certificate
- Registrar
- Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
- Registered
- Nov 25, 2019 · 7 years before launch
- Renewal due
- Nov 25, 2027 · in 13 months
- DNS
- Cloudflare
- HTTPS certificate
- valid to Jan 5, 2027 · 2 months left
Registration data for c3-lang.org from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
Online
· online
- Last checked Nov 6, 2026
Alternatives to C3 Playground
All developer tools →Similar products, all online at their last check.
- Lox Compiler Visualizershivfitzpatrick.comOnline
Visualizes how Lox code is lexed, parsed, compiled, and executed for learners exploring compiler internals.
Compiles C# code to WebAssembly in the browser and lets developers run and download the result.