cleanflight/cleanflight

Health v2 · maintenance only

Adoption not part of the score

2732 stars · 1370 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Cleanflight is open-source flight controller firmware for multi-rotor and fixed-wing aircraft, written in C for STM32-based boards. It is a clean-code rewrite of baseflight/MultiWii and the ancestor of Betaflight and iNav.

Use cases

• flash firmware onto an STM32 flight controller board for a quadcopter
• configure PID tuning and flight modes for a multirotor
• set up DShot motor protocols and serial receivers like SBus or Spektrum
• log blackbox flight data to onboard flash or microSD
• control RGB LED strips and OSD on a drone
• build custom flight controller firmware for a fixed-wing plane

When to choose

• you want proven, community-driven firmware for STM32 F3/F4/F7 flight controllers
• you need broad support for receivers, telemetry protocols, and motor protocols
• you want the historical base for understanding Betaflight or iNav codebases

When to avoid

• you want the most actively developed firmware - use Betaflight or iNav instead
• you need support for non-STM32 or very recent hardware
• you need end-user support via GitHub issues, which is explicitly not offered

Facets

application · maturity maintenance

embedded simulation monitoring logging embedded-systems robotics hardware embedded cpp c flight-controller quadcopter drone firmware multirotor stm32 betaflight inav fixed-wing dshot osd real-time

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markdown · JSON · MCP: product_card(name="cleanflight/cleanflight")