Dev tools · alternatives · 2026
24 alternatives to CryptoBoy
🥷 Your cryptography & cryptocurrency Swiss Army Knife
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CryptoBoy launched in 2021; newer entries below may have overtaken it.
- 1SA
I built this machine so I could generate Bitcoin keys that I could trust. Air-gapped and simple to use and understand (mechanical). The Satoshi 9000 demo: https://youtu.be/bJiOia5PoGE The key value proposition of the machine is that it generates analog randomness in the physical world and converts it into digital (1’s and 0’s) randomness. Seamlessly. But it occurs to me that it may have other uses beyond crypto keys for your own use, such as: * Randomized clinical trials. Clinical trials need a high degree of transparency for ethical reasons; also, for legal reasons should it…
2024 · its alternatives →
- 2
Very basic blockchain-free cryptocurrency PoC in Python - spipm/crackcoin
2017 · github.com · its alternatives →
- 3AO
2017 · harshjv.github.io · its alternatives →
- 4
Rust crypto w/ zero default deps: BLAKE3, Ed25519/X25519, hashes, MACs, KDFs, AEADs, and checksums w/ full SIMD/ASM acceleration - GitHub - loadingalias/rscrypto: Rust crypto w/ zero default deps: BLAKE3, Ed25519/X25519, hashes, MACs, KDFs, AEADs, and checksums w/ full SIMD/ASM acceleration
Jun 2026 · github.com · its alternatives →
- 5
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 →
- 6
Bitcoin made easy. Contribute to ofek/bit development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 7
Bitcoin M-of-N Multisig P2SH implemented in Go. Contribute to soroushjp/go-bitcoin-multisig development by creating an account on GitHub.
2014 · github.com · its alternatives →
- 8
Hey HN, I’m Ilias, 19, from Paris. I built Ellipticc Drive, an open-source cloud drive with true end-to-end encryption and post-quantum security, designed to be Dropbox-like in UX but with zero access to your data, even by the host. What’s unique: Free 10GB for every user, forever. Open-source frontend (audit or self-host if you want) Tech stack: Frontend: Next.js Crypto: WebCrypto (hashing) + Noble (core primitives) Encryption: XChaCha20-Poly1305 (file chunks) Key wrapping: Kyber (ML-KEM768) Signing: Ed25519 + Dilithium2 (ML-DSA65) Key derivation: Argon2id → Master Key → encrypts all…
Oct 2025 · ellipticc.com · its alternatives →
- 9
Make crypto-based invoices in minutes with preset templates. Create a web3 ready invoice you can send to your clients. Supporting Stablecoins and other EVM tokens.
2024 · cryptoinvoice.new · its alternatives →
- 10
Rain Hashesâ–²18The fastest 128-bit and 256-bit hash, passes all tests, and under 140 source lines of code. API library and CLI tool in C++ and NodeJS/Wasm - DOSAYGO-STUDIO/rain
2023 · github.com · its alternatives →
- 11
Cryptocurrency converter and calculator
2018 · livecoins.com.br · its alternatives →
- 12
The First And Only Customizable Crypto Wallet Generator
2025 · cryptovurny.com · its alternatives →
- 13
Zero dependency Bitcoin math implementation in C. Contribute to CambridgeStateMachines/bitcoin_math development by creating an account on GitHub.
2025 · github.com · its alternatives →
- 14
It is based on phase noise, consumes less than 60 LUT4s/FFs and achieves up to 7.99 bits of entropy per byte. Feel free to comment if you have any questions, ideas or thoughts :)
2023 · github.com · its alternatives →
- 15
SHA256 sentence: discover a SHA256 checksum that matches a sentence's description of hex digit words. - joelparkerhenderson/sha256-sentence
2023 · github.com · its alternatives →
- 16
Hey HN! I've been building random tools whenever I needed them over the past few months, and now I have 177 of them. Started because I was tired of sketchy converter sites with 10 ads, so I just... made my own. Some highlights for the dev crowd: Developer tools: - UUID Generator (v1/v4/v7, bulk generation): https://calcbin.com/tools/uuid-generator - JWT Generator & Decoder: https://calcbin.com/tools/jwt-generator - JSON Formatter/Validator: https://calcbin.com/tools/json-formatter - Cron Expression Generator (with…
Feb 2026 · calcbin.com · its alternatives →
- 17SC
2019 · npmjs.com · its alternatives →
- 18
- 19RS
2018 · revealer.cc · its alternatives →
- 20
ToolMorphâ–²318+ essential developer tools in one fast platform
Jun 2026 · toolmorph.in · its alternatives →
- 21
Instant, free, and secure token sale generator
2018 · betoken.fund · its alternatives →
- 22
Nuqrai Tools▲1Free browser-based dev tools — zero tracking, zero signup
Aug 2026 · nuqrai.com · its alternatives →
- 23
Simple base64 encryption and decryption tool
2023 · its alternatives →
- 24
Also compare
- Satoshi9000 analog BTC key generator (mechanical) alternatives
- Very basic blockchain-free cryptocurrency PoC in Python alternatives
- An open source cross-platform minimalistic cryptocurrency tracker alternatives
- Rscrypto, pure-Rust crypto with industry leading public benches alternatives
- An Elliptic Curve-Based Secure Chat, Written Using Rust and Protobuf alternatives
- Bit v0.5.0 – Bitcoin made easy, now with SegWit support 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 →