May 2026 cohort / Developer tools
rubberduck
OnlineHelps software engineers make and document design decisions before an AI agent implements code.
- Status
- Onlinesince Nov 5, 2026
- First launched
- May 8, 2026
- Category
- Developer tools
- Type
- Developer tool
- Pricing
- Not tracked yet
- Domain
- userubberduck.com
Last 30 days
100% of checks answered · median response 410 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
- Cloudflare, Inc.
- Registered
- Jul 31, 2025 · 9 months before launch
- Renewal due
- Jul 31, 2027 · in 9 months
- DNS
- Cloudflare
- HTTPS certificate
- valid to Dec 17, 2026 · 41 days left
Registration data for userubberduck.com from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
Online
· online
- Last checked Nov 5, 2026
Alternatives to rubberduck
All developer tools →Similar products, all online at their last check.
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Reviews coding-agent code changes against rules to catch design mistakes before more code depends on them.
