Flask
Minimal, flexible microframework with a massive ecosystem.
78
Hero Score
Popularity
76
Performance
45
Ecosystem
100
Maturity
85
Dev Experience
85
⭐ 71,597 stars⬇ 41.7M downloads/wkFirst release: Apr 2010Last release: Feb 2026
Async Support: NoPlugin Extensions: Very highSpeed: FastDoc Quality: HighLearning Curve: Very easy
Pros
- • Simple & flexible
- • Huge extension ecosystem & mature community
- • Easy to learn/debug
Cons
- • No native ASGI; limited async
- • You assemble auth/ORM/etc yourself
- • Can struggle under heavy concurrency