Skip to content

₿1bitcoin.io

Rainbow Calculator Halving Fees Fear & Greed Whales

Tools⌄

Bitcoin tools →

Calculators

Bitcoin buying-cost estimator Satoshi converter & payment QR Bitcoin UTXO calculator Bitcoin DCA calculator If I bought Bitcoin… Bitcoin mining calculator

Markets & tracking

Bitcoin overview Bitcoin price prediction Bitcoin portfolio tracker Bitcoin price & fee alerts Bitcoin returns & drawdowns Bitcoin halving cycle comparison

Network & transactions

Bitcoin network statistics Bitcoin supply & issuance Bitcoin transaction checker Stuck Bitcoin transaction

Wallets & payments

Bitcoin wallet finder Accept Bitcoin as a business Lightning invoice decoder

Tutorials Hub

English⌄

Português (Brasil)

हिन्दी

Bahasa Indonesia

Українська

1Bitcoin/Hub/Developer tools & open source

BITCOIN & CRYPTO DIRECTORY

Developer tools & open source

Libraries, SDKs, APIs and public repositories for building with crypto.

Search the Hub

ExploreBitcoinAll crypto

Merchant map ↗Useful collections →Explore GitHub projects ↗

Categories⌄

All categories44,270 Buy, sell & trade750 Wallets & custody465 Spend crypto30,119 Accept payments52 Lightning & nodes122 Hosting & infrastructure163 Developer tools & open source7,119 Explorers & analytics1,403 Mining & equipment115 Staking & DeFi3,738 Portfolio & tax39 Security & privacy117 Learn & connect68

About the Hub ↗

Refine your search⌄

Listing typeNetworkSort by

More filters⌄

CountryBusiness typePayment optionPlatformCustodyCityPricingIdentity checksService available in

Search nearby

LatitudeLongitudeDistance

Your coordinates are used only when you choose a nearby search.

Developer tools & open source

7,119 listings

Developer tools & open source

amanusk/awesome-starknet-security

Public crypto repository.

cairocairo lang

☆ 83 +0 / 7dView listing →

Developer tools & open source

SquidSec/MinerInTheMiddle

Public crypto repository written primarily in Python.

bug bountybugbounty

☆ 83 +0 / 7dView listing →

Developer tools & open source

p2poolv2/p2poolv2

Public crypto repository written primarily in Rust.

bitcoinmining pool

☆ 82 +0 / 7dView listing →

Developer tools & open source

deezy-inc/deezy-place

Public crypto repository written primarily in JavaScript.

bitcoinbitcoin wallet

☆ 82 +0 / 7dView listing →

Developer tools & open source

deadspyexx/dex-sniper-bot

Public crypto repository written primarily in JavaScript.

airdropairdrop crypto

☆ 82 +0 / 7dView listing →

Developer tools & open source

dappcamp/landscape

Public crypto repository written primarily in JavaScript.

developer toolsethereum

☆ 82 +0 / 7dView listing →

Developer tools & open source

OmniBTC/OmniSwap

Public crypto repository written primarily in Solidity.

bscethereum

☆ 82 +0 / 7dView listing →

Developer tools & open source

GuidoDipietro/solana-ed25519-secp256k1-sig-verification

Public crypto repository written primarily in TypeScript.

blockchained25519

☆ 82 +0 / 7dView listing →

Developer tools & open source

bodrovis-learning/Solidity-YT-Series

Public crypto repository written primarily in Solidity.

ethereumsolidity

☆ 82 +0 / 7dView listing →

Developer tools & open source

olivmath/merkly

Public crypto repository written primarily in Python.

blockchainbrownie

☆ 82 +0 / 7dView listing →

Developer tools & open source

tintinweb/smart-contract-sanctuary-bsc

Public crypto repository.

ethereumsmart contracts

☆ 82 +0 / 7dView listing →

Developer tools & open source

kleros/kleros-v2

Public crypto repository written primarily in TypeScript.

arbitratorbackend

☆ 82 +0 / 7dView listing →

Developer tools & open source

jbx-protocol/juice-contracts-v2

Public crypto repository written primarily in JavaScript.

ethereumjuicebox

☆ 82 +0 / 7dView listing →

Developer tools & open source

FuelLabs/fuel-js

Public crypto repository written primarily in JavaScript.

ethereumoptimistic

☆ 82 +0 / 7dView listing →

Developer tools & open source

metacartel/MCV

Public crypto repository.

daoethereum

☆ 82 +0 / 7dView listing →

Developer tools & open source

jolocom/smartwallet-app

Public crypto repository written primarily in TypeScript.

ethereumself sovereign identity

☆ 82 +0 / 7dView listing →

Developer tools & open source

Nayshins/mcp-server-ccxt

Public crypto repository written primarily in Python.

agentai

☆ 82 +20 / 7dView listing →

Developer tools & open source

cusma/algorand-school

Public crypto repository.

algorandalgorand atomic transfer

☆ 82 +0 / 7dView listing →

Developer tools & open source

plummm/Alfred-Currency-Exchange

Public crypto repository written primarily in Python.

alfredalfred3 workflow

☆ 82 +0 / 7dView listing →

Developer tools & open source

meltingice/nanocrawler

Public crypto repository written primarily in JavaScript.

cryptocurrencyjavascript

☆ 82 +0 / 7dView listing →

Developer tools & open source

mergeos-bounties/mergeos-contracts

Public crypto repository written primarily in Rust.

anchorblockchain

☆ 82 +0 / 7dView listing →

Developer tools & open source

DFINITY-Education/blockchain-and-cryptocurrency

Public crypto repository written primarily in Modelica.

blockchaininternet computer

☆ 82 +0 / 7dView listing →

Developer tools & open source

DeNetPRO/Node

Public crypto repository written primarily in Shell.

blockchainbuild

☆ 82 +1 / 7dView listing →

Developer tools & open source

worldsibu/hurley

Public crypto repository written primarily in TypeScript.

blockchainconvector

☆ 82 +0 / 7dView listing →

← PreviousPage 133 of 297Next →

Imported records link to their sources. An entry is a discovery aid, not an endorsement. About the Hub →

Merchant map ↗Countries & cities →Useful collections →Suggest a listing +

Keep learning

↗How to choose a Bitcoin walletCompare custodial, mobile and hardware wallets by key control, backup, payment needs and fee features.↗Bitcoin safety: avoid scams and protect your privacyRecognize fake support, recovery-phrase theft, address substitution and guaranteed-return scams before sending bitcoin.

A clearer view of the bigger picture.

Charts & network

Rainbow Halving Fees Fear & Greed Whales

Tools

Bitcoin tools Calculator Satoshi converter & payment QR Bitcoin transaction checker

Tutorials

All tutorials What is Bitcoin? A beginner’s guide How to choose a Bitcoin wallet Bitcoin safety: avoid scams and protect your privacy

Hub

Hub Explore Bitcoin wallets Accept Bitcoin as a business

© 2026 1Bitcoin

Bitcoin converter ↗Bitcoin whitepaper ↗

Search 1Bitcoin

Find Bitcoin tools, guides and Hub listings.

Tools & guides

Hub listings

More Hub results →