Life & fun · alternatives · 2026
24 alternatives to Mayer's travel books for underwater adventures around our blue planet
A simple but stylish way to log your scuba dives.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mayer's travel books for underwater adventures around our blue planet launched in 2018; newer entries below may have overtaken it.
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Find Cool Underwater Spots Nearby and Log Your Adventure
Oct 2025 · wikibubbles.com · its alternatives →
- 4IM
Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!
2025 · jameshard.ing · its alternatives →
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Depthlog▲11The ultimate logbook and tracking companion for scuba divers
2024 · depthlog.net · its alternatives →
- 6FU
Hello everybody, I am new to HN but I must say I really enjoy the vibe. I have been coding for almost 15 years now and after having fired myself 2 times in a year (both from corporate and startup worlds), I decided to dedicate full time to what I love: building cool stuff for my own, with the dream of becoming a solopreneur. Among my many passions (some dangerous), I love scuba diving. All the logbook apps I tried had these problems: - Distant from the user experience and needs. - Complicated yet useless features that no one uses. Literally no one, not even those who created them. - Ugly. -…
2024 · depthlog.net · its alternatives →
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Ideas for local adventures for busy folk. 5 to 9 Adventures.
2015 · its alternatives →
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Submarius started as just a dashboard for diving conditions, but I quickly realized that there is simply no API for water clarity, nor even a simple way to calculate it. Divers call it viz, and it is one of the most consequential factors for a diving experience. So I dove the viz rabbit-hole. I landed on a state-augmented ensemble kalman filter. More details on the /clarity page. My question for the HN audience is if anyone knows of a better way of doing this? There is a ton of satellite data to train on, but a lot of it is messy (clouds read as turbid water, shallow reefs reflect…
Jun 2026 · submarius.com · its alternatives →
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Log dives. Share adventures. Connect with divers worldwide.
Apr 2026 · scubaspot.co · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →