AUTO-SYNC Index refreshed every 12h · Evidence-linked
How it works →
中文
Data release v20260813_023741 Generated 2026-08-13 Methodology Report missing resource

Comparing Flight-Stack Repositories

A source-linked method for comparing flight-control repositories without inventing conclusions.

Last reviewed 8/7/2026. Data checked within the review cycle. Review cycles are documented on the Methodology page. Methodology

comparison Reviewed 8/7/2026

Problem definition

I need to compare open-source flight stacks but want the comparison to stay grounded in repository evidence.

Steps

  1. Define comparable fields

    Pick fields that exist in the official records: license, last activity, documentation entry points. Do not invent fields the sources do not provide.

  2. Collect values per stack

    For each stack, copy the value and the source URL into your comparison table.

  3. Mark unverified fields Unknown

    Any field without a source stays Unknown. Never fill a gap with an assumption.

Guide

Compare

Use the repository activity, license field and official documentation links shown on each resource page.

Judgment criteria

  • Every table cell is traceable to a source URL and retrieval date.
  • The comparison explains the verification sequence rather than declaring a winner.

Common risks

  • Comparing fields that only one repository documents.
  • Turning a metadata comparison into a performance or safety conclusion.

Checklist

Related technical resources

FC
Flight Stack

PX4/PX4-Autopilot

Official Confirmed

PX4 Autopilot Software

Core topic Flight Control AutonomousAutopilot
Show 17 more keywords Hide keywords
AvoidanceDdsDroneDronecodeDronesFixed-WingMavlinkMavrosMulticopterPixhawkPx4QgroundcontrolRosRos2UasUavUgv
Maintenance: Active Verification: official_confirmed Commercial: unknown Checked: 8/13/2026
BSD-3-Clause (Inferred) Tier A
Details Official Repository
FC
Flight Stack

ArduPilot/ardupilot

Official Confirmed

ArduPlane, ArduCopter, ArduRover, ArduSub source

Core topic Flight Control ArducopterArdupilot
Show 18 more keywords Hide keywords
ArduplaneArduroverArdusubAutopilotAuvCopterDroneDronekitMavlinkPlaneRoboticsRosRovRoverSubUasUavUgv
Maintenance: Active Verification: official_confirmed Commercial: unknown Checked: 8/13/2026
GPL-3.0 (Inferred) Tier A
Details Official Repository
FC
Flight Stack

betaflight/betaflight

Official Confirmed

Open Source Flight Controller Firmware

Core topic Flight Control BetaflightCleanflight
Show 2 more keywords Hide keywords
Flight-ControllerHacktoberfest
Maintenance: Active Verification: official_confirmed Commercial: unknown Checked: 8/13/2026
GPL-3.0 (Inferred) Tier A
Details Official Repository
FC
Flight Stack

paparazzi/paparazzi

Official Confirmed

Paparazzi is a free and open-source hardware and software project for unmanned (air) vehicles. This is the main software repository.

Core topic Flight Control AutopilotDrones
Show 5 more keywords Hide keywords
PaparazziPprzPprzlinkUasUav
Maintenance: Active Verification: official_confirmed Commercial: unknown Checked: 8/13/2026
GPL-2.0 (Inferred) Tier A
Details Official Repository

Next steps