Comprehensive contact manager, encrypted chat, and bitcoin wallet built on self-sovereign identity. You own your digital identity, not a tech provider.
Life Planning Assistant and Project Management app that accommodates the unexpected wrinkles of life. See consequences in the big picture.
Digitally sign your spoken words with QR codes. Viewers verify authenticity across videos. Unilaterally prevent deepfakes of your speech.
Bitcoin tax accounting for US IRS Form 8949. Airgapped, UTXO-level basis tracking, precision decimal arithmetic. Connect to local bitcoind or Esplora.
VPN overlay for multiple WireGuard connections. Seamlessly access resources on multiple private networks simultaneously. The ultimate nomad utility.
A censorship-resistant DID Method using the Bitcoin blockchain as a Verifiable Data Registry to announce changes to the DID document. Zero-cost off-chain creation, aggregated updates, private resolution.
Founded in 2015, Digital Contract Design releases open source (free as in speech and beer) tools for digital self-sovereignty. We place a special emphasis on security, privacy, identity management, local-first peer-to-peer cooperative endeavors, and accounting tools. DCD is not monetized by advertising and does not want our users' personal data.
Remote freedom with camaraderie. We're seeking individual contractors and contracting groups passionate about privacy and open source.