Some of the projects I've been working on include: 📱 NotLate – A wellness app designed to help with overthinking and restless nights. 💰 ZapSpend – An expense tracker with receipt scanning, voice input, and CSV/PDF exports. 🚛 Trucker Diary – An iOS app built for truck drivers. 🎵 Duo Vinyl – A digital vinyl turntable experience for music lovers. As a solo developer, one of my biggest challenges isn't just building products. It's getting them discovered, attracting users, and figuring out what actually works after launch. 🌐 https://www.adribyte-studio.com/mobile-apps #IndieHacker #IndieDeveloper #iOSDevelopment #SaaS #Startup
Best Engineering Tools in 2026
Engineering outside the web stack — CAD and simulation, electronics and PCB design, embedded systems and the calculators that go with them. Browse 20 engineering tools from indie makers and solo founders, ranked by upvotes.
Energy Design Systems
Easiest residential heat loss and heat gain block load calculator
1,554views
ExploreJobs.ai
Find engineering, product, and research roles at top AI startups
490views
That’s every product in this category, ranked. See the latest launches, or submit your own product.
About engineering tools
Engineering tools here cover the world outside the web stack: CAD and simulation, electronics and PCB design, embedded work, and the software that supports physical products. The list includes PNGtoSTL for converting images into printable three-dimensional files, Archipeg for cloud-based enterprise architecture, a touch sensing technology company, and Oxford Hydrogen. Design, hardware, analyzers and project management are the neighbours, so a general layout tool goes to design, while this page is for products with a physical or systems engineering focus.
When choosing, file compatibility comes first. Check which formats a tool imports and exports, such as STEP or Gerber, and whether it connects to the slicers, simulators or fabrication houses you use. Look at whether it runs in the browser or needs local installation, how large models perform, and whether there are limits on project size in the free plan. Accuracy matters in engineering, so see whether calculations are documented and whether results can be verified independently. Licence terms also matter if a design will be sold or manufactured.
Engineering is a field where a solo specialist can build something that big vendors overlook, such as a conversion tool for a single awkward file type. Indie makers in this area usually have hands-on experience, and they are often open to feedback on edge cases. Each product is reviewed before launch, and the order reflects community upvotes, which count equally.
Frequently asked questions
How do I choose an engineering tool?
Check file format support first, then whether it runs in the browser, how it handles large models, and how results can be verified. Review licence terms if the design will be manufactured or sold.
What is the difference between engineering tools and design tools?
Engineering tools deal with physical or technical systems, such as CAD, circuits and simulation. Design tools focus on visual and interface work. Products that touch both appear in each category.
Can I rely on online engineering calculators?
Use them for estimates and early work, and verify critical results with another method or a qualified engineer. Prefer tools that document their formulas and assumptions, so you can check the logic yourself.
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See allHealthE AI helps you manage fitness and wellness with AI-driven calorie tracking, macro targets, and personalized workout recommendations. It lets you log meals by photo or text, then analyzes nutrition to set your caloric deficit and macronutrients based on goals like fat loss or muscle gain. HealthE AI also tracks hydration, offers a daily feed, and guides setup through a questionnaire so you can follow a focused plan and measure progress clearly. HealthE AI is coming soon!
Creator of Get4All, a CBox premium link generator focused on simplicity and convenience.
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See allI really enjoyed the characters and the ability to create your own makes the app feel more personal
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Maker here 👋 New: every @fuck.it user now gets a free link-in-bio page at fuck.it/@username. Like Linktree, but on the same name as your inbox. No extra subscription, no tracking pixels. Happy to answer any questions!
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See allWhile building PDF Fan, I had to separate two things people often mean by “clean up a PDF.” Removing metadata clears fields like the document title and author. It leaves visible text on the pages intact. To test the difference, make a sample PDF with the same phrase in its title and on page 1, then check both after cleanup. I built a browser-based tool for this so the original file stays on your device. https://pdf.fan/
Hi, We’re building Candor Desktop IDE, an AI-powered IDE for data warehousing that helps developers generate schema-aware SQL and business-rule-aware ETL workflows. It is designed to make SQL development more reliable and reduce the guesswork involved in working with complex database schemas.
Disposable Email API for Testing & Automation by Best-TempMail.com Create temporary inboxes and read incoming mail programmatically. Built for QA, CI/CD pipelines, and automated signup testing. Official SDKs for Node and Python, an MCP server for AI assistants, and a free tier that needs no signup at all. BASE: https://api.best-tempmail.com/v1 Documentation: https://best-tempmail.com/api
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