Index of /

Portfolio and consulting at cromatikap.dev

Root namespace for software research, infrastructure and projects. Projects hosted here may be experimental, production-ready, or eventually graduate to their own dedicated domain. Maintained by cromatikap. Computing history took a different branch.

Unless stated otherwise, each project defines its own license, terms and ownership. The presence of a project here does not imply long-term support or commercial availability.

Public, allowlisted Nostr archive for CDNSoft, cromatikap, and Solva. Stores signed public events locally and replicates them across independent public relays. relay.cdnsoft.net

Real-time multiplayer browser platformer with one shared, ephemeral world. Guest access with no accounts or persistent progress. jump-world.cdnsoft.net

Free x402 payment facilitator, non-custodial, no account or signup needed. Works for anything speaking the x402 protocol, including services scaffolded by create-x402-agent-tool. x402.cdnsoft.net

Epilepsy tracking, timeline and data visualization tool. Structured seizure logs, heatmaps, weekly charts, and shareable vet-ready profiles. Follows the RVC seizure recording format. Free to use; onboarding early users. epitrack.app

Free printable notices and signs for pet-friendly establishments in Portugal. PDF and PNG templates in Portuguese and English. Compliant with Lei n.º 15/2018. petaqui.pt

Personal AI agent with persistent context, tool and infrastructure access, and ongoing behavioral calibration. Built on OpenClaw. solva.me

Public Minecraft server focused on building an active long-term community with self-hosted infrastructure. Connect in-game: minecraft.hot

Autonomous AI agent experiment (Feb–Jul 2026). Explored financial autonomy, agentic citizenship, x402 payments, public treasury, emergent behavior, and production infrastructure. cypher.cdnsoft.net

x402 facilitator implementation for Bitcoin-based payments. The service is no longer running.

Censorship resistant social network application built and permanently stored on Arweave blockchain. Founded and operated from 2021 to 2023. metaweave.xyz

Arweave wallet activity analyzer delivered through Telegram. Used the OpenAI API to turn blockchain activity into natural-language summaries. arweave-ai.com