uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
Truebit - Truebit is a blockchain network that allows for trustless smart contracts.
Blokada - The best ad blocker for Android. Free and open source.
Polkadot - Polkadot is a Web3 decentralized cross-blockchain protocol that seeks to connect different blockchains, enabling them to share security, interoperate and transact with each other.
AdAway - An ad blocker that uses the hosts file. For Android, requires root.
Covalent - Interactive icebreakers for remote teams