OpenClaw
openclaw.ai
Open-source, self-hosted personal AI agent that works through chat apps and acts on your computer.

Document and PDF SDK for mobile, web and server, now operating as Nutrient.
Exit story: How Peter Steinberger Sold PSPDFKit (Nutrient) to Insight Partners (2021) →
Visit PSPDFKit (Nutrient) ↗Document and PDF SDK for mobile, web and server, now operating as Nutrient. PSPDFKit (Nutrient) is a developer tools product built by indie maker Peter Steinberger, launched in 2011. PSPDFKit (Nutrient) has since been acquired.
openclaw.ai
Open-source, self-hosted personal AI agent that works through chat apps and acts on your computer.
codex.bar
macOS menu bar app showing usage limits for OpenAI Codex and Claude Code.
summarize.sh
CLI and Chrome extension that summarizes URLs, YouTube videos, podcasts and files.
repo.bar
Shows GitHub repo CI, issues, PRs and releases in the menu bar and terminal.
PSPDFKit (Nutrient) is a developer tools product: Document and PDF SDK for mobile, web and server, now operating as Nutrient.
PSPDFKit (Nutrient) was made by Peter Steinberger, PSPDFKit founder turned creator of OpenClaw, the open-source personal AI agent. It launched in 2011. Peter Steinberger has also built OpenClaw, CodexBar, summarize, RepoBar.
PSPDFKit (Nutrient) has been acquired. It is no longer owned by Peter Steinberger, who built it as an indie maker.
marsx.dev
SaaS builder that unites no-code, pro-code, AI and micro apps.
messwithdns.net
Interactive playground for experimenting with real DNS records.
memory-spy.wizardzines.com
Tool for running programs and inspecting their memory.
nginx-playground.wizardzines.com
Test nginx configurations instantly in the browser.
integer.exposed
Visual explorer for how computers represent integers.
sizzy.co
Browser for web developers with synchronized devices, project workspaces, isolated sessions, debugging and coding agents.