diff --git a/data/ecosystems/c/cartesi.toml b/data/ecosystems/c/cartesi.toml
new file mode 100644
index 00000000..88780f24
--- /dev/null
+++ b/data/ecosystems/c/cartesi.toml
@@ -0,0 +1,58 @@
+# Ecosystem Level Information
+title = "Cartesi"
+
+sub_ecosystems = []
+
+github_organizations = ["https://github.com/cartesi"]
+
+# Repositories
+[[repo]]
+url = "https://github.com/cartesi/arbitration-dlib"
+
+[[repo]]
+url = "https://github.com/cartesi/blockchain-node"
+
+[[repo]]
+url = "https://github.com/cartesi/demo"
+
+[[repo]]
+url = "https://github.com/cartesi/dispatcher"
+
+[[repo]]
+url = "https://github.com/cartesi/grpc-interfaces"
+
+[[repo]]
+url = "https://github.com/cartesi/image-kernel"
+
+[[repo]]
+url = "https://github.com/cartesi/image-rootfs"
+
+[[repo]]
+url = "https://github.com/cartesi/image-toolchain"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-emulator"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-emulator-rom"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-emulator-sdk"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-manager"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-solidity-step"
+
+[[repo]]
+url = "https://github.com/cartesi/machine-tests"
+
+[[repo]]
+url = "https://github.com/cartesi/parity-ethereum"
+
+[[repo]]
+url = "https://github.com/cartesi/riscv-test-env"
+
+[[repo]]
+url = "https://github.com/cartesi/riscv-tests"
diff --git a/data/ecosystems/e/ethereum.toml b/data/ecosystems/e/ethereum.toml
index a6eb5ac9..44f64aef 100644
--- a/data/ecosystems/e/ethereum.toml
+++ b/data/ecosystems/e/ethereum.toml
@@ -1,7 +1,7 @@
 # Ecosystem Level Information
 title = "Ethereum"
 
-sub_ecosystems = ["0x", "Aragon", "Augur", "Aztec Protocol", "Bancor", "Bloom", "Celer Network", "Compound", "Connext Network", "Consensys", "Counterfactual", "Decentraland", "Dharma Protocol", "Enigma", "Enjin Coin", "FunFair", "Gitcoin", "Gnosis", "Golem", "InstaDApp", "Keep network", "Kyber Network", "Loom Network", "Maker", "Matic Network", "Matter Labs", "Melon", "MetaMask", "Moloch", "MyBit", "NuCypher", "Nuo Lend", "OmiseGo", "Origin Protocol", "Pisa Research", "Plasma", "POA Network", "Set Protocol", "Skale Network", "SpankChain", "Status", "Storj", "Synthetix", "The Graph", "Truffle", "Uma Protocol", "Uniswap", "uPort"]
+sub_ecosystems = ["0x", "Aragon", "Augur", "Aztec Protocol", "Bancor", "Bloom", "Cartesi", "Celer Network", "Compound", "Connext Network", "Consensys", "Counterfactual", "Decentraland", "Dharma Protocol", "Enigma", "Enjin Coin", "FunFair", "Gitcoin", "Gnosis", "Golem", "InstaDApp", "Keep network", "Kyber Network", "Loom Network", "Maker", "Matic Network", "Matter Labs", "Melon", "MetaMask", "Moloch", "MyBit", "NuCypher", "Nuo Lend", "OmiseGo", "Origin Protocol", "Pisa Research", "Plasma", "POA Network", "Set Protocol", "Skale Network", "SpankChain", "Status", "Storj", "Synthetix", "The Graph", "Truffle", "Uma Protocol", "Uniswap", "uPort"]
 
 github_organizations = ["https://github.com/ethereum", "https://github.com/fortmatic", "https://github.com/NethermindEth", "https://github.com/nomiclabs", "https://github.com/PegaSysEng", "https://github.com/prysmaticlabs", "https://github.com/sigp", "https://github.com/umbracle", "https://github.com/yeeth"]