Life & fun · alternatives · 2026
24 alternatives to FPGA soft-core of the Saab Viggen's 1963 airborne computer
A soft-core FPGA replica of the Saab CK37 — the world's first IC-based airborne computer, rebuilt from the original 1963 FMV maintenance manual and running a PID navigation loop in the original Q1.25 assembly. Target: OrangeCrab r0.2 (ECP5-25F) - FormerLab/ck37-core
This project recreates the FPGA soft-core implementation of the airborne computer from Saab's Viggen fighter jet, originally designed in 1963. It allows users to run historical avionics software and study the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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We've just launched v2.5 of SatCat5, the open-source FPGA Ethernet switch [1]. SatCat5 contains various FPGA building blocks that let you build a custom mixed-media Ethernet switch. It was originally intended for cubesats [2] but has many other potential applications. The headline feature for this release is support for the IEEE-1588 Precision Time Protocol (PTP). SatCat5 has demonstrated end-to-end synchronization to within 50 ps-rms, which is approaching the world-leading performance of CERN's White Rabbit Project [3]. Except we're doing time-transfer over regular, non-synchronous…
2024 · github.com · its alternatives →
- 2
CHIP-8 console on FPGA. Contribute to pwmarcz/fpga-chip8 development by creating an account on GitHub.
2018 · github.com · its alternatives →
- 3
As part of a little research and also some fun I decided to try my hand at seeing how small of an ESP32 board I can make with functioning WiFi.
Nov 2025 · github.com · its alternatives →
- 4
Hi! me and my friends together built an 8 bit CPU implemented in Logisim purely from scratch. The control unit of this system does not implement the generic microcode ROM or any kind of RAM. This was made purely from discrete logic gates and coded the system to run different programs. key features: Custom 16-instruction Harvard ISA, 8-bit fixed format, 4 general purpose registers Hardwired control unit built entirely from AND/OR gate logic matrix Dual-phase clocking to eliminate race conditions Bootstrap Control Unit that cold-boots via ROM-to-RAM transfer Early-exit conditional…
Jun 2026 · github.com · its alternatives →
- 5
A multitasking monolithic Kernel based x86 targeting Operating System written in C# from scratch aiming for high-level implementation of drivers in managed environment. - amaneureka/AtomOS
2017 · github.com · its alternatives →
- 6
Automatically build parts with computer vision.
2017 · snapeda.com · its alternatives →
- 7
Verilog2factorio▲313This project will compile verilog (a hardware description language) into factorio blueprints. - Redcrafter/verilog2factorio
2021 · github.com · its alternatives →
- 8
Dear HN community! Looking forward to hearing your feedback on ACE (assured confidential execution), technology that implements VM-based trusted execution environment (TEE) for embedded RISC-V systems with focus on a formally verified and auditable firmware. We target high-assurance systems that can benefit from compartmentalization and hardware-backed isolation. The key ingredient called security monitor (firmware) is implemented in Rust. The formal specification is defined as annotations directly in code and gets translated to Coq using RefinedRust automation. ACE design is now part of the…
2025 · github.com · its alternatives →
- 9
First Release is Here! I'm excited to announce the first release of i486SX_soft_FPU — a software FPU emulator for the classic Intel 486SX CPU, running on NetBSD 10! This project brings floating-point support back to life for 486SX machines, even though modern NetBSD versions no longer natively support processors without a hardware FPU. If you're into retrocomputing, operating system hacking, or just love old-school hardware, check it out! Project page: https://github.com/mezantrop/i486SX_soft_FPU Contributions, feedback, and testing are all very welcome! Let's keep these…
2025 · github.com · its alternatives →
- 10
I've been hacking away lately, and I'm now proud to show off my newest project - The Icepi Zero! In case you don't know what an FPGA is, this phrase summarizes it perfectly: "FPGAs work like this. You don't tell them what to do, you tell them what to BE." You don't program them, but you rewrite the circuits they contain! So I've made a PCB that carries an ECP5 FPGA, and has a raspberry pi zero footprint. It also has a few improvements! Notably the 2 USB b ports are replaced with 3 USB C ports, and it has multiple LEDs. This board can output HDMI, read from a uSD, use a SDRAM and much more.…
2025 · github.com · its alternatives →
- 11
Get Any Symbol & Footprint in 1 Business Day.
2016 · snapeda.com · its alternatives →
- 12
Arduino▲111Dual-brain edge AI computer by Qualcomm and Arduino
2014 · arduino.cc · its alternatives →
- 13
After being thrust headfirst into FPGA development thanks to the Analogue Pocket, my first from scratch creation was a gate level implementation of the original Tamagotchi toy. The core, running on both the Analogue Pocket and MiSTer platforms, lets users re-experience the very first Tamagotchi from 1996 with accurate emulation, but modern features. The core has savestates (which is much harder to do in hardware vs software emulation), high turbo speeds (1,800x was the max clock speed I've reached so far), and more. Learning more about hardware and FPGAs is something I've wanted to do for…
Oct 2025 · github.com · its alternatives →
- 14
Hey all - this is the software part of my cyberdeck, called the Slimedeck Zero. The Slimedeck Zero is based around this somewhat esoteric device called the PicoVision which is a super cool RP2040 (Raspberry Pi Pico) based device. It outputs relatively high-res video over HDMI while still being super fast to boot with low power consumption. The PicoVision actually uses two RP2040 - one as a CPU and one as a GPU. This gives the CPU plenty of cycles to run bigger apps (and a heavy python stack) and lets the GPU handle some of the rendering and the complex timing HDMI requires. You can do this…
2025 · github.com · its alternatives →
- 15
DAN64 is a open software and open hardware project to build an 8-bit microcomputer using an AVR microcontroller.
2015 · usebox.net · its alternatives →
- 16
The core question: how did HP's scientific calculators actually work at the gate level? That rabbit hole led to building one from scratch. The architectural decision everything else follows from: a decimal calculator should store numbers as BCD — one decimal digit per 4-bit nibble. A standard byte-oriented CPU (Z80, 6502) fights that layout constantly. So I designed a small custom CPU in Verilog where 4 bits is the natural data width and memory is nibble addressable. What the project covers: - Custom CPU: Harvard architecture, 12-bit ISA, 8-state execution FSM, hardware stack guard with a…
May 2026 · github.com · its alternatives →
- 17FE
2015 · excamera.com · its alternatives →
- 18
Micro Kernel / Bootloader for Ben Eater's 6502 Computer - janroesner/sixty5o2
2020 · github.com · its alternatives →
- 19
Send video/audio over HDMI on an FPGA. Contribute to hdl-util/hdmi development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 20
To try it out, simply build the project yourself from source, or use attached bootable ISO image of the system (in Releases on Github) and run it in QEMU. https://blog.vxn.dev/rou2exos-rusted-edition
2025 · github.com · its alternatives →
- 21
32-bit RISC-V CPU in ~800 lines of C89. Contribute to mnurzia/rv development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 22
Runs AWS graviton2 images on intel, with native-speed compile times - valkmit/aws-graviton2-on-intel
2021 · github.com · its alternatives →
- 23RPR8 Processor▲96
2017 · hasaranga.com · its alternatives →
- 24AR
2021 · guillaume.baierouge.fr · its alternatives →
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- SatCat5, the open-source FPGA Ethernet switch alternatives
- CHIP-8 console implemented in FPGA alternatives
- F32 – An Extremely Small ESP32 Board alternatives
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- A new hobby OS from “scratch” in C# 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 →