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LaunchKit - Open Source A popular suite of developer tools, now 100% open source
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Open Source @IFTTT A collection of IFTTT OSS projects.
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ZenHub.io - for Open Source and Academic Projects Project Management Inside GitHub – Free for open-source + …
Hey Press Free searchable database finds journalists for your startup
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OpenSource Email Template Responsive, Free, and Community Driven
The Fr8 Company Open Source Cloud Integration Service