Download/upload files using the WebTorrent protocol (BitTorrent over WebRTC). Powered by WebTorrent, the first torrent client that works in the browser without plugins. WebTorrent is powered by JavaScript and WebRTC. Supports Chrome, Firefox, Opera (desktop and Android).

instant.io - Streaming file transfer over WebTorrent (torrents on the web)

OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and IPFS Pubsub to automatically sync databases with peers. It's an eventually consistent database that uses CRDTs for conflict-free database merges making OrbitDB an excellent choice for decentralized apps (dApps), blockchain applications and offline-first web applications.
 
OrbitDB provides various types of databases for different data models and use cases:
<ul>
<li><a href="https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdblognameaddress" target="_blank">log</a>: an immutable (append-only) log with traversable history. Useful for "latest N" use cases or as a message queue.</li>
<li><a href="https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbfeednameaddress" target="_blank">feed</a>: a mutable log with traversable history. Entries can be added and removed. Useful for "shopping cart" type of use cases, or for example as a feed of blog posts or "tweets".</li>
<li><a href="https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbkeyvaluenameaddress" target="_blank">keyvalue</a>: a key-value database just like your favourite key-value database.</li>
<li><a href="https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbdocsnameaddress-options" target="_blank">docs</a>: a document database to which JSON documents can be stored and indexed by a specified key. Useful for building search indices or version controlling documents and data.</li>
<li><a href="https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbcounternameaddress" target="_blank">counter</a>: Useful for counting events separate from log/feed data.</li>
</ul>

OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and IPFS Pubsub to automatically sync databases with peers. It's an eventually consistent database that uses CRDTs for conflict-free database merges making OrbitDB an excellent choice for decentralized apps (dApps), blockchain applications and offline-first web applications.

orbit-db - Peer-to-Peer Databases for the Decentralized Web

Bitcoin uses peer-to-peer technology to operate with no central authority or banks; managing transactions and the issuing of bitcoins is carried out collectively by the network. Bitcoin is open-source; its design is public, nobody owns or controls Bitcoin and everyone can take part. Through many of its unique properties, Bitcoin allows exciting uses that could not be covered by any previous payment system.

Bitcoin - Most popular Crypto Currency

Yjs is a modular building blocks for building collaborative applications like Google Docs and Figma. Yjs is a high-performance CRDT for building collaborative applications that sync automatically. It exposes its internal CRDT model as shared data types that can be manipulated concurrently. Shared types are similar to common data types like Map and Array. They can be manipulated, fire events when changes happen, and automatically merge without merge conflicts.


Yjs - Modular building blocks for building collaborative applications like Google Docs and Figma

Pion is the Modern Stack for Web Real-Time Communication. It implements the WebRTC API. Spend more time building and less time learning a new API. Its feature include PeerConnection API support for DataChannels, Send/Receive audio and video, Renegotiation. It provides API with direct RTP/RTCP access, API also allows developer to pass their own packetizer, Opus, PCM, H264, VP8 and VP9 packetizer, Sender/Receiver Reports, Easy integration with x264, libvpx, GStreamer and ffmpeg and lot more.

Pion WebRTC - A pure Go implementation of the WebRTC API

Bitcore is a infrastructure to build Bitcoin and blockchain-based applications for the next generation of financial technology. It is a full bitcoin node, your apps run directly on the peer-to-peer network. For wallet application development, additional indexes have been added into Bitcoin for querying address balances, transaction history, and unspent outputs.

bitcore - A full stack for bitcoin and blockchain-based applications

SocialVPN is an open-source IPOP-based virtual network that connects your computers privately to your friends’ computers. It automatically maps online social network relationships using Jingle and XMPP to create your own user-defined peer-to-peer VPNs – with no hassle, and supporting unmodified TCP/IP applications. 
 
In the SocialVPN, each user is in control of who their VPN connects to. To scale to large online social networks, SocialVPN employs a unique dynamic IPv4 address allocation/translation approach that avoids conflicts with local networks and devices outside a user’s social network. creates a communication overlay that can be used as a basis to design decentralized Online Social Networks (OSNs). It keeps the data sharing private.

SocialVPN is an open-source IPOP-based virtual network that connects your computers privately to your friends’ computers. It automatically maps online social network relationships using Jingle and  XMPP  to create your own user-defined peer-to-peer VPNs – with no hassle, and supporting unmodified TCP/IP applications. 

SocialVPN - P2P VPN that connects you to your friends computer

Zcash is an implementation of the "Zerocash" protocol. Based on Bitcoin's code, it intends to offer a far higher standard of privacy through a sophisticated zero-knowledge proving scheme that preserves confidentiality of transaction metadata. Bitcoin and most cryptocurrencies expose your entire payment history to the public. Zcash is the first open, permissionless cryptocurrency that can fully protect the privacy of transactions using zero-knowledge cryptography.
 
 Zcash also enables users to send public payments which work similarly to Bitcoin. With the support for both shielded and transparent addresses, users can choose to send Zcash privately or publicly. Zcash payments sent from a shielded address to a transparent address reveal the received balance, while payments from a transparent address to a shielded address protect the receiving value.

Zcash is an implementation of the "Zerocash" protocol. Based on Bitcoin's code, it intends to offer a far higher standard of privacy through a sophisticated zero-knowledge proving scheme that preserves confidentiality of transaction metadata. Bitcoin and most cryptocurrencies expose your entire payment history to the public. Zcash is the first open, permissionless cryptocurrency that can fully protect the privacy of transactions using zero-knowledge cryptography.

Zcash - Internet Money

LBRY is a protocol that provides a fully decentralized network for the discovery, distribution, and payment of data. It utilizes the LBRY blockchain as a global namespace and database of digital content. Blockchain entries contain searchable content metadata, identities, and rights and access rules. It also provides a data network consists of peers uploading and downloading data from other peers, possibly in exchange for payments, and a distributed hash table, used by peers to discover other peers.
 
LBRY is a free, open, and community-run digital marketplace. You own your data. You control the network. Indeed, you are the network.

LBRY is a protocol that provides a fully decentralized network for the discovery, distribution, and payment of data. It utilizes the LBRY blockchain as a global namespace and database of digital content. Blockchain entries contain searchable content metadata, identities, and rights and access rules. It also provides a data network consists of peers uploading and downloading data from other peers, possibly in exchange for payments, and a distributed hash table, used by peers to discover other peers.

Lbry - A fully decentralized network for distributing data

Radicle is a peer-to-peer stack for code collaboration. The Radicle stack builds on IPFS, and works without a centralized server. No hassle with setting up your own hosting, and no need to trust companies with your data. It contains a git repository, plus the associated issues and proposals. Access all the issues and proposals associated with your codebase right from your terminal.

Radicle - A peer-to-peer stack for code collaboration

Meething is a semi-decentralized conference bridge using modern WebRTC, GunDB and MediaSoup to produce a hybrid MESH-SFU with strong privacy, zero user data retention and powerful off-grid capabilities.

Meething - Decentralized Real-time communications

PolyCash is the ultimate open source betting solution. The PolyCash web app runs on PHP and MySQL and is easy to install and configure. PolyCash is a colored coins implementation built using blockchain technology and can be used to create betting currencies on top of bitcoin, litecoin or any other blockchain based on the Bitcoin source code.
 
Design your new betting currency by choosing a blockchain to run on, a name for your coins and an initial supply. Then create your genesis transaction and import the new coins into your wallet. Next decentralize your currency by installing it on a bunch of different nodes.
 
Upload a spreadsheet of the events that you want to allow players to bet on or integrate an API data source for your betting events. Install bitcoin if you want to allow your players to buy in and cash out to BTC.

PolyCash is the ultimate open source betting solution. The PolyCash web app runs on PHP and MySQL and is easy to install and configure. PolyCash is a colored coins implementation built using blockchain technology and can be used to create betting currencies on top of bitcoin, litecoin or any other blockchain based on the Bitcoin source code.

The ultimate open source betting protocol. PolyCash is a P2P blockchain platform for wallets, asset issuance, bonds & gaming

Friends is like Slack except P2P, offline friendly and open source. Data is transmitted over secure channels and messages are authenticated. It is made by a group of open source developers who are motivated to make a public chat platform that is easy to use but isn't centrally controlled, and where data is owned by its users. 

Friends - P2P chat powered by the web

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