Option A
Observability for LLM applications.
Helicone is an open-source LLM observability platform — logs, caching, and analytics for OpenAI and Anthropic apps.
- Founder
- Justin Torre
- Founded
- 2023
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026
Option B
Phosphor Icons
Developer Tools
A flexible icon family for interfaces, diagrams, and presentations.
Phosphor Icons offers 9,000+ icons across 6 weights — designed by Helena Zhang and Tobias Fried, with first-class support for every framework.
- Founder
- Helena Zhang
- Founded
- 2020
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026