Free alternatives to Invoice Dragon

Similar free or open-source options in the same category, ranked by relevance and quality.

Resource	Pricing	Type	Licence	Platforms
Invoice DragonQuiet for 2+ years	Open source	Tool	MIT	web
Trigger	Open source	Tool	Apache-2.0	web
Restfox	Open source	Tool	MIT	web
Guitar Dashboard	Open source	Service	—	web
Open Logos	Open source	Service	—	web
Threadli	Open source	Service	—	web
PocketBase	Open source	Tool	MIT	web

Trigger
trigger.dev
developer-first open-source Zapier alternative

Tool Open source Apache-2.0 ★ 16k ✓ checked

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Restfox
restfox.dev
Lightweight open-source API client—an alternative to Postman.

Tool Open source MIT ★ 2.8k ✓ checked

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Guitar Dashboard
guitardashboard.com
Open source music theory explorer for guitarists

Developer tools Open source ★ 590 ✓ checked

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Open Logos
openlogos.org
Free logo collection for open-source projects.

Developer tools Open source ★ 680 ✓ checked

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Threadli
threadli.com
Opensource distraction-free alternative to Slack/email

Developer tools Open source ★ 28 ✓ checked

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PocketBase
github.com
Realtime backend in one file

Tool Open source MIT ★ 61k ✓ checked

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