On Second Thought

What it does

On Second Thought is a tool that lets you take back text messages you've already sent. It's like time travel, but for your most embarrassing moments. 😳

• 
  Strings2015 · apps.apple.com · ▲71

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  Lookback2022 · ▲138

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• 
  TATLAT2017 · apps.apple.com · ▲114

  Take a thought. Leave a thought.

• 
  TxtReminders2021 · ▲75

  Get text message reminders with static and dynamic content.

• 
  TxtBck2017 · ▲68

  Actually remember to text that person back

• 
  Convo - Chat Insights2025 · archive.chatvibes.ai · ▲123

  Conversation insights app

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  SimCity, but with Permits▲922

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  Life & fun · 2d ago · permit.petercai.com

• IV
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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

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• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  Brain.fm▲957

  Music for the brain to improve focus, meditation & sleep

  AI · 2015 · brain.fm

• 
  Something pointless I made▲747

  Life & fun · 2015 · dn.ht

• PA
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  Parinfer - simpler Lisp editing

  Life & fun · 2015 · shaunlebron.github.io

• 
  Motion AI▲634

  Easily build chatbots to do anything, on any platform!

  AI · 2015 · motion.ai

• 
  f.lux for iOS▲596

  Auto adjust your iOS display based on the time of day

  Dev tools · 2015 · justgetflux.com

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  Fieldbook▲592

  Create a database, as easily as a spreadsheet

  Dev tools · 2015 · fieldbook.com