Underpass App Company
By Jeff Johnson
Underpass App Company is a sole proprietorship run by Jeff Johnson, an independent Mac app developer. Jeff was a longtime engineer at Rogue Amoeba Software, and before then worked on apps such as Knox (originally developed by MK&C, later sold to AgileBits) and the open source RSS reader Vienna. Jeff is also famous for solving the Mac OCSP appocalypse.
Take back your web browser
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Mac App Store Badge
Link Unshortener
Reveal the real URL
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Mac App Store Badge
P2P encrypted file transfer & chat
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Mac App Store Badge   App Store Badge

Jeff's free open source utilities:
Stop Safari from opening News app
Stop Safari from opening App Store app
Stop "Open in the Twitter app" in Safari