nowfound

Dev tools · alternatives · 2026

AP

Protocoin is a pure Python implementation of the Bitcoin protocol that handles message serialization, deserialization, and basic networking functionality. It enables developers to build clients that interact with the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A pure Python Bitcoin protocol implementation launched in 2013; newer entries below may have overtaken it.

  1. 1

    Various ipython notebooks. Contribute to julienr/ipynb_playground development by creating an account on GitHub.

    2017 · github.com · its alternatives →

  2. 2

    Very basic blockchain-free cryptocurrency PoC in Python - spipm/crackcoin

    2017 · github.com · its alternatives →

  3. 3

    Barebones bitcoin-like protocol implemented in Python 3.6 - kendricktan/misocoin

    2017 · github.com · its alternatives →

  4. 4CN
  5. 5

    Bitcoin node written in C. Contribute to chjj/mako development by creating an account on GitHub.

    2021 · github.com · its alternatives →

  6. 6

    Realtime, open-source backend for JavaScript apps

    2016 · sequence.xyz · its alternatives →

  7. 7

    Bitcoin made easy. Contribute to ofek/bit development by creating an account on GitHub.

    2017 · github.com · its alternatives →

  8. 8

    Experimental cryptocurrency (blockchain) written in python. - halilozercan/halocoin

    2018 · github.com · its alternatives →

  9. 9

    Sharing economy built on blockchain

    2018 · originprotocol.com · its alternatives →

  10. 10
  11. 11
    x402▲119

    Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https://www.youtube.com/watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…

    2025 · x402.org · its alternatives →

  12. 12

    ฿ Bitcoin trading bot with a real-time dashboard for Bitstamp. - jkbrzt/cointrol

    2015 · github.com · its alternatives →

  13. 13
  14. 14

    Integration library for the https://chain.com API. - thesis/chain-bitcoin-python

    2014 · github.com · its alternatives →

  15. 15

    protoCURL is cURL for Protobuf: The command-line tool for interacting with Protobuf over HTTP REST endpoints using human-readable text formats - qaware/protocurl

    2023 · github.com · its alternatives →

  16. 16

    Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin - asynkron/protoactor-go

    2016 · github.com · its alternatives →

  17. 17
    Maki▲84

    An efficient AI coding agent. Native Rust TUI. Immediate startup, 60 FPS, low memory. Indexes files instead of reading them, chains tools in a sandbox interpreter. Anthropic, OpenAI, Google, Z.AI, OpenRouter, Synthetic, or any OpenAI / Anthropic compatible API.

    2022 · maki.sh · its alternatives →

  18. 18

    Network protocol emulator and testing tool

    2017 · vprotostack.com · its alternatives →

  19. 19SA

    Trade multiple cryptocurrency and forex exchanges through a single interface or over a unified API. Build your trading strategies directly in the browser, backtest against every tick of historical price data and trade live with your broker. It couldn

    2014 · cloud9trader.com · its alternatives →

  20. 20
  21. 21

    This is a project I made to learn more about crypto. I've also written a [post](https://vaktibabat.github.io/posts/ecurvechat/) that explains all the crypto concepts and algorithms used in the project, and how I implemented them. I'd be very glad for any feedback about both the code and the post :)

    2024 · github.com · its alternatives →

  22. 22AO
  23. 23
    Sovryn▲69

    Decentralized Bitcoin trading and lending platform

    2020 · sovryn.app · its alternatives →

  24. 24

    Golang automation for mining cryptocurrencies on the Spot Market - alexellis/spotminer

    2018 · github.com · its alternatives →

Also compare

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 →