Alternatives
Products that do what CaptainCalc does
Offline maritime calculators for ship operations
- 1
- 2
- 3
Learn, build & ship SaaS in AI with Boilerplates & tutorials
2024
- 4
- 5AA
2022 · alexbarry.github.io
- 6
- 7
- 8
- 9
- 10
- 11
Free construction calculators for contractors and DIYers
Jun 2026 · thebuildcalchub.com
- 12
A smart tool to calculate construction materials in seconds
Jun 2026 · buildcalc-dugt.vercel.app
- 13
- 14VT
Voyage is a bunch of marketing tools for SaaS in one platform. We're betting on three things: 1. Many marketing tools don't offer free tiers. Think Optimizely, 6sense, Mutiny, Typeform, Qualified, Marketo, Drift, etc. A lot of these have minimum contract sizes of 5 figures. Voyage is completely free right now (haven't shipped monetization yet) and will always be usage-based + free tier. 2. Having these tools in one place compounds. We offer global themes for all of the user-facing marketing assets, which means you won't have to manage a brand theme for each of Wistia, Drift, etc. We also can…
2024 · withvoyage.com
- 15
MechanixCalc▲1050 ISO/ASME engineering calculators with shareable reports
Jul 2026 · mechanixcalc.com
- 16
Offline emergency simulation for clinicians and students
Jul 2026 · play.google.com
- 17
I’m a software designer from Lagos exploring conversational interfaces and frameworks for building agents. I made Captain to help with everyday travel planning. It can explore an itinerary, check live flight prices, or watch for the right time to book. Captain is a Telegram bot powered by a generalist model (anthropic/claude-sonnet-5), with specialist models handling workflows such as trip interpretation and voice transcription. It also includes a visual workspace where users can review the agent’s work and directly manipulate their travel information. I'm building the agent to explore…
23d ago · moonlight.ng
- 18
Yacht Maintenance and Management
Jul 2026 · magellanworks.com
- 19
- 20
- 21SC
Hi HN Just sharing a small tool I built: https://cbmcalc.com It calculates CBM (cubic meters) for shipping cartons, pallets, or multiple boxes. I made it because most CBM calculators online are too simple and some couldn't add multi items. This one is simple and kinda works on mobile too Would love any feedback!
Mar 2026 · cbmcalc.com
- 22HA
2023 · handcalc.com
- 23
AI maritime dashboard — vessel tracking & port alerts
May 2026 · 1862034712569.gumroad.com
- 24ST
2017 · sailconnect.com
Ranked by how close each launch is in meaning, then by votes. Refine with a description →