Ethos provides a credibility score with a backing profile, akin to a credit report but with open protocols and on-chain records. Ethos incentivizes ethical behavior via social Proof of Stake; a decentralized consensus-based validation mechanism driven by human values, judgement, and actions.

Immutable Ratings is a blockchain-based platform engineered to anchor public sentiment to the web in a way that's permanent, decentralized, and transparent. Immutable Ratings enables users to leave lasting opinions tied directly to any supported URL. Whether it's a social profile, a post, a public figure, or a brand presence online, the rating becomes an indelible mark recorded onchain.

Orange Protocol is a decentralized reputation protocol that provides a way to establish trust and credibility in web3 and beyond. Its reputation system utilizes feedback and ratings to track the behavior and track records of users, providing a reliable way to verify identity, reputation, and trustworthiness.

Kudo Money is an identity passport for Metaverse and Web3, where good citizens are rewarded for good on-chain behavior. The higher the on-chain reputation, the more access to borrowing, airdrop, and farming opportunities.

Reppo is a risk & reputation modelling network for DePINs. Reppo models bridge the gap between verifiability and reliability in the Web3 ecosystem to help users assess systemic risks.

Something introduces verified badges in Solana to give users their own identity and bring true credibility to the field.

True Network is an on-chain reputation system that enables dApps to issue verified records known as attestations. Algorithms written in TypeScript process the attestations, which are executed as WebAssembly (wasm) modules to compute user reputation scores.

Radius is a decentralized network that connects independent workers and teams to the best projects in web3. It is building decentralized reputation systems, skills attestation protocols, and a user-owned and value accretive economy. In accordance with its mission, it will also build educational curricula and programs to help train Radius workers and onboard them successfully into web3 work opportunities.

Nomis is an infrastructure for web3 wallet qualifer and credentials protocol that helps founders and developers build better products, communities, and experiences. It is built on an open and collaborative infrastructure and provides personal rate calculated and balanced based on wallets’ on-chain data. It aims to build a protocol which will use math and an AI-based prediction model to enable users with a positive on-chain credit score to take out crypto loans with less collateral.

EtherScore is a decentralized, on-chain reputation system for users and dApps on blockchains. It certifies the on-chain reputations of Ethereum users based on their previous actions (transaction history). User activity is represented by NFTs, which reflect the concept of collectible badges. Anyone can issue badges to identify and target specific users based on one or more minting conditions (e.g. "having done 10 swaps on Uniswap") without coding.

OpenRank is a decentralized ranking and reputation protocol. It enables a verifiable reputation compute layer for the open web that unlocks a broad range of useful applications, including those that resist cryptographic or game-theoretic mechanisms of trust. Using OpenRank, developers can create ranking, recommendation and sybil-resistance systems for their applications and protocols. Developers can also power search and discovery for marketplaces and consumer applications.

Mande Network is an open on-chain reputation layer on Web3 to record credit scores, ratings, activities, reputation, and digital identity accomplishments.

Goat.Tech is Decentralized Reputation Layer with Restaking Yield that evolves over 2 phases (a Dapp and an ETH L2): Phase 1 (Goat Dapp): First Gamified Onchain Reputation Protocol with Native Yield is a social-financial game where users stake ETH to increase each other’s reputation (Trust Score), earn rewards, and find out who is the GOAT (highest Trust Score). Phase 2 (Goat L2): First Restaked L2 for Onchain Reputation is the only L2 built on a unique combination of components that natively restake deposited ETH to earn user not just ETH staking yield but also extra restaking rewards.

Karma3 Labs is building a ranking and reputation infrastructure using the EigenTrust algorithm. Karma3 Labs aim to make it easy for web3 developers to able sybil-resistant.

Okapi aims to empower the crypto community by providing an accessible and trustworthy platform for sharing and discovering insights about decentralized entities. It prioritises reviews from users who had hands-on experiences, and deploy sophisticated algorithms to detect and prevent fake reviews.

Ceres is the infrastructure of Web 3.0 decentralized credit system, providing readable user identities for native DApps and a more human-acceptable user system. It also offers an Oracle Protocol and a Reputation Evaluation Model. The Oracle Protocol is used to efficiently and accurately analyze and estimate users' on-chain transaction data. Additionally, users/project parties can use the Evaluation Model to analyze the quality of the on-chain social graph and influence index.

CreditONCHAIN ​​is a Web3 consumer reputation system that allows consumers to own, verify, and monetize their data. CreditONCHAIN ​​aims to help blockchain integrate into daily life and make on-chain reputation as valuable as digital identity.

Decert.me is a Web3 education and certification platform incubated by the @UpchainDAO. The platform combines AI and blockchain to help developers better learn and build their own on-chain credit history.

UniRep is a zero-knowledge protocol that securely manages user data through anonymous identifiers, enabling trustless interactions and enhanced user privacy in applications. UniRep expands the notion of reputation to include various user data aspects, such as preferences, activity, alignments, and ownership.

jokerace is a governance platform that allows projects to launch contests and hackathons, issue grants, and offer incentives to community members on-chain. Jokerace will be using on-chain reputations to assess who should have more say in the governance process.

Rep3 helps communities manage members and their contributions through on-chain credentials. By receiving badges, contributors build their on-chain reputation, which makes possible a world of cheaper loans (through reputation staking), fairer voting (through correlation scores), deeper connections (by activating communities at varied intersections), and much more.

Replabs is building multi-dimensional reputation systems for DAOs using language models. This system can be forked by any DAO and used in their Discord to help determine who is reputable in what area within it.

Lingose aims to establish a game ID system based on blockchain data.Provide qualification certificates by capturing the users behavior on the chain. Every step and achievement in the chain game will be the users` own value embodiment and thus to better build their own Web3 indentity brand. Lingose builds the user’s resume on the chain by setting up ID system, user behavior capture system, EXP, POP system and reputation system. Let every user`s action become quantifiable value and return the benefits that belong to the players back to the players themselves.

Character Protocol is a Web3 security and privacy protocol that defines a secure generation and usage method based on Zero-Knowledge Proofs, and uses this as a credible and reliable on-chain user profile for each Web3 user.

HashKey DID is a decentralized Web 3.0 identifier with storage features, underpinned by NFT and smart contract-based privacy-preserving technology.

Metavisa is a Web 3.0 credit score protocol that empowers users to create and display a 100% secure, certified on-chain identity record. This delivers opportunities for whitelisting Web3 projects, increased cryptocurrency loan rates, and new levels of trust and transparency to Web3. The Metavisa credit score system will award users with ranked badges based on their on-chain identity. Those with higher MCSs will be rewarded with higher-ranking badges, unlocking privileges and rewards from partners and DApps.

MetaJam is building a Web3 BUIDL network where people can discover cool Web3 products/dapps and build disruptive Web3 projects with the Proof of BUIDL Protocol. As an individual, you can build your Web3 resume through verified quests, verify skills and build a track record, apply for Web3 jobs within the network, and contribute to Web3 projects to earn reputation credits and token incentives. As a team, you can showcase your project to the community, hire talents using Web3 resumes and scouts, and raise funds for your project.

Light is a decentralized web3 reputation protocol, allowing users to build their social status and earn rewards for their on-chain activity and credentials. It enables users to curate, discover, and explore meaningful interactions on the metaverse in ways that were not previously possible.

Mazury is a web3 professional reputation platform that enables users to earn, display, and utilize web3 credentials to access exclusive job and career growth opportunities. On Mazury, users can showcase their contributions to various projects to secure jobs at the most innovative startups and DAOs. The platform features a competence-based reputation system that provides an on-chain mechanism for builders and talent to come together and collaborate.

GitPOAP is a contributor recognition platform that integrates POAP issuance into GitHub, bridging the space between existing off-chain contribution platforms such as GitHub and the on-chain world of DAOs & decentralized identity. It provides software projects - and eventually many more types of organizations - with a novel way of recognizing and nurturing their communities. Contributors can also showcase a socially-sourced, immutable record of their work, build networks, and develop a Web3 representation of their identity. GitPOAP will use this foundation to power an ecosystem of reputation-based applications.