Life & fun · alternatives · 2026

24 alternatives to DS200RTBAG4A
DS200RTBAG4A - Relay Output Card
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. DS200RTBAG4A launched in 2021; newer entries below may have overtaken it.
- 1

- 2

- 3IM
2024 · qdiv.dev · its alternatives →
- 4IM
Hi HN, r2t2 is a command-line tool for transmitting data through sound using the PC speaker on the motherboard. The name of the tool is a reference to the R2-D2 robot from Star Wars :) In short, you type some message and it gets FSK modulated and transmitted via sound through the PC speaker. Note that this is the speaker/buzzer that you connect to the motherboard and not the regular speakers that you connect to the sound card. I also made a simple web page that listens to the sound emitted by r2t2 and decodes the received messages. The page can be used by simply opening it on your phone…
2021 · github.com · its alternatives →
- 5AN
2018 · github.com · its alternatives →
- 6

- 7

- 8PC
Pi-card is an AI powered voice assistant running locally on a Raspberry Pi. It is capable of doing anything a standard LLM (like ChatGPT) can do in a conversational setting. In addition, if there is a camera equipped, you can also ask Pi-card to take a photo, describe what it sees, and then ask questions about that. It uses distributed models so latency is something I'm working on, but I am curious on where this could go, if anywhere. Very much a WIP. Feedback welcome :-)
2024 · github.com · its alternatives →
- 9CO
2018 · circuitverse.org · its alternatives →
- 10WD
https://github.com/TomasHubelbauer/webrtc-data-channel-demo Hi! I made this GitHub repo to try and show WebRTC data channels and the connection establishment flow in a different way from what I was able to find online. My aim with this repository is to make WebRTC data channels accessible to any web developer by showcasing offerer and answerer separately for total novices (makes it much clearer what's going on on each end of the connection) as well as combined approach where a peer can be both offerer and answerer. I use postMessage instead of a real signalling channel,…
2017 · its alternatives →
- 11T2
2024 · jacobbartlett.substack.com · its alternatives →
- 12

- 13WS
2018 · github.com · its alternatives →
- 14MC
2014 · morsecode.me · its alternatives →
- 15

- 16

- 17AT
A 3.16M-parameter INT4 transformer running entirely in the on-chip memory of a Xilinx Kria KV260. Zero DRAM in the token loop, 59,965 tok/s on the fabric, bit-exact. Chat with it live.
30d ago · mikeayles.com · its alternatives →
- 18RW
2021 · unsafeperform.io · its alternatives →
- 19VT
2020 · github.com · its alternatives →
- 20

- 21PA
2015 · github.com · its alternatives →
- 22FV
Feb 2026 · github.com · its alternatives →
- 23

The classic hacker's open-source firmware router, now w AC.
2014 · its alternatives →
- 24MN
2015 · morfalang.org · 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 →