AI · alternatives · 2026

24 alternatives to VoltMap

Design safe 12V boat & RV power systems.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   VoltSim▲74

   Realtime electronic circuit simulator with intuitive UI

   2021 · play.google.com · its alternatives →

2. 2
   microvm – a minimalist machine type for QEMU inspired by Firecracker▲145

   2019 · github.com · its alternatives →

3. 3
   SPICE simulation → oscilloscope → verification with Claude Code▲121

   I built MCP servers for my oscilloscope and SPICE simulator so Claude Code can close the loop between simulation and real hardware.

   Apr 2026 · lucasgerads.com · its alternatives →

4. 4
   Voltera▲80

   Electronics prototyping right from your desktop!

   2015 · kickstarter.com · its alternatives →

5. 5UP
   USB PD Stand-Alone Sink Controller▲124

   2019 · blog.oxplot.com · its alternatives →

6. 6
   Volt▲88

   Portable Charging for Festival-goers

   2014 · getvolt.dk · its alternatives →

7. 7
   SnapEDA Plugins▲80

   A turbo boost for circuit board design

   2016 · snapeda.com · its alternatives →

8. 8
   Promptspot▲125

   Open-source 'unit testing' stack for your prompts and data

   2023 · github.com · its alternatives →

9. 9IH
   I hate online Lorem Ipsum Generator so I made my own▲73

   As a designer, I use Lorem Ipsum a lot but none satisfied me. They are either too slow or too clunky. https://loremcopy.com/ It's a weekend project so why not (•‿•) Also, I am new here. I didn't know about Hacker News before. Glad to meet you all.

   2024 · its alternatives →

10. 10
    Formally verified FPGA watchdog for AM broadcast in unmanned tunnels▲62

    Contribute to Park07/amradio development by creating an account on GitHub.

    Feb 2026 · github.com · its alternatives →

11. 11
    CAMPR▲81

    Open source project management tool with 16 modules

    2020 · its alternatives →

12. 12
    RIVER Mobile Power Station & Solar Generator▲72

    A battery that can charge your laptop 10 times over

    2017 · indiegogo.com · its alternatives →

13. 13
    Assembert▲57

    Digital Assembly Solution for Power Transformers

    2023 · nexocro.com · its alternatives →

14. 14
    GridPulse▲3

    AI chat + 7 calculators for power systems engineers. Free.

    Apr 2026 · chromewebstore.google.com · its alternatives →

15. 15
    Estream: A Portable Water Power Generator Fits into Your Backpack▲6

    Charge your mobile devices with water energy.

    2016 · kickstarter.com · its alternatives →

16. 16
    PromptCraft 2.0▲8

    Enterprise AI Prompt Engineering with Multi-LLM + MCP

    2025 · github.com · its alternatives →

17. 17
    Parameterized PWM controller in VHDL▲22

    Digital outputs can either go ON or OFF. Analog signals, on the other side, can smoothly assume multiple values in a range. There is a technique that emulates analog behavior with a digital output. That technique is PWM, namely, Pulse Width Modulation. It can be implemented as pulses with varying &#

    2018 · fpgaer.wordpress.com · its alternatives →

18. 18
    GitHub▲11

    Open-source battery health watchdog for your power systems

    2025 · github.com · its alternatives →

19. 19
    VMPower – Shutdown/Startup/Backup/Resize VMs with a Calendar▲34

    Explore the features of our virtual machine automation platform and calculate your savings with our pricing calculator.

    2017 · vmpower.io · its alternatives →

20. 20
    Voltius▲8

    A blazing fast, local-first SSH & SFTP client built with Rust and Tauri. E2EE sync, SFTP drag & drop, Docker, plugins, and more. Free forever.

    Jun 2026 · voltius.app · its alternatives →

21. 21
    Estream: Portable Water Power Generator▲7

    Converts water into stored energy.

    2016 · facebook.com · its alternatives →

22. 22
    GeneratorChecker▲1

    Find the Right Power Station for you devices

    Feb 2026 · generatorchecker.com · its alternatives →

23. 23
    Volt : Cursor, but for your Terminal▲4

    Lightweight autonomous AI terminal built for developers

    May 2026 · volt0100.vercel.app · its alternatives →

24. 24
    Diesel-guard – Lint Diesel migrations for unsafe PostgreSQL patterns▲18

    Linter for dangerous Postgres migration patterns in Diesel and SQLx. Prevents downtime caused by unsafe schema changes. - ayarotsky/diesel-guard

    Dec 2025 · github.com · its alternatives →

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 →