# Open source (breakpoint) debugger

**URL:** <https://forum.kirupa.com/t/open-source-breakpoint-debugger/305520>\
**Category:** flash\
**Created:** [February 26, 2010, 1:10pm UTC](https://forum.kirupa.com/t/open-source-breakpoint-debugger/305520 "2010-02-26T13:10:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ayman](https://avatars.discourse-cdn.com/v4/letter/a/dec6dc/32.png) [@Ayman](https://forum.kirupa.com/u/Ayman)\
**Post date:** [February 26, 2010, 1:10pm UTC](https://forum.kirupa.com/t/open-source-breakpoint-debugger/305520/1 "2010-02-26T13:10:50Z")

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Is there any free or open source software that does a great job at debugging as3 applications, like flex does?