Orbiter Finance

Orbiter Finance is a decentralized cross-rollup bridge for transferring Ethereum native assets.  It offers low-cost and almost instant transfers. Orbiter supports cross-rollup transfers (e.g. ETH, USDC, USDT, and DAI) between Ethereum, StarkNet, zkSync, Loopring, Arbitrum, Arbitrum Nova, Optimism, Polygon, BNB Chain, ZKSpace, Immutable X, dYdX, Metis and Boba. In addition, the Maker has launched on testnet and you can become a Maker to provide liquidity soon.

StarkNet React

StarkNet React is a collection of React hooks for StarkNet. It is inspired by wagmi powered by starknet.js.

Colyseus Arena

Colyseus Arena is a turn-key fully managed server solution that enables you to focus on your multiplayer / metaverse development. Colyseus Arena provides a fast, robust, and trusted solution for creating these experiences. With over 450,000 developers and 1000s of games, across all platforms, using it today, Arena is a great choice for metaverse developers, providing them a turn-key hosting solution that ensures their worlds can scale from 100s to 100,000s of concurrent users.


Developers use Apibara to stream on-chain data and build their application’s backend. Apibara supports any type of data like events, transactions, and storage changes.

Token Flow

Token Flow is a set of tools that query and analyze data from multiple blockchain endpoints to display them in a human-readable format.DeFi firms can amass raw data for ETL and analysis in data warehouses.Developers can use the EthTx Transaction Decoder to analyze transactions,wallets, or smart contracts based on just knowing their addresses.


Developed by Crytic, the blockchain arm of Trail Of Bits, Amarna is a static analyzer for Cairo.  Used by applications such as dYdX, Cairo is a language usedto write “provable programs”.Amarna allows developers to search for custom code patterns as well as abuilt-in set of vulnerability flags and supports the creation of local andglobal rules for analysis.Notably, Amarna can directly parse StarkNet contracts, and export analysisresults to VSCode in the SARIF format.

Cairo Contracts Wizard

OpenZeppelin’s Cairo Contracts Wizard is a tool that gets developers a head start when building smart contracts.Developers can use templates to build ERC20, ERC721, and custom tokens with the interactive menu components, all the while watching the code take shape.All code generated is available for download or to copy into existing projects.

Ramp Network

As a finance automation platform, Ramp helps businesses spend less time and money. This platform empowers businesses via management solutions to managefinances and accounting processes.Ramp has developed a fiat-to-crypto gateway platform, creating a layer 2 paymentinfrastructure that increases trust and reduces friction and complexity. Ramp also keeps businesses compliant with rules and regulations while providingthe best user experience for their customers.


Dr. James Smith, Dr. Adam Joyce, and Dr. Tom Robinson formed Elliptic in 2013 to fill the security and compliance void associated with cryptocurrency assets.Companies can contract Elliptic to investigate crimes around cryptocurrencytokens and assets such as NFTs.Developers can use Elliptic’s tools to gain observability of their assets asthey cross wallets and chains.Elliptic has served hundreds of compliance cases and aims to make the cryptoecosystem safe.


A Cryptic project, supported by the security company, Trail of Bits, Tayt is atesting library optimized to analyze Cairo smart contracts.Developers can target specific files or run Tayt on entire projects to introduce external functions that ‘fuzz’ smart contracts and checks for flags.Tayt supports invariant function calls, coverage, and fuzzing of smart contractsthat deploy other smart contracts.