From B2B Success to Open‑Source AI: Peter Steinberger’s Second Startup Journey

A personal AI assistant called Clawdbot quickly went viral on social media for being open‑source, locally runnable, and highly customizable, drawing attention not only from developers but also unexpectedly boosting Apple Mac mini sales. The story centers on its creator, Peter Steinberger, a seasoned developer from Vienna who previously founded the successful B2B document‑processing SDK company PSPDFKit.

PSPDFKit’s 13‑Year Journey

Peter’s first venture began around PSPDFKit, a PDF collaboration, signing, and annotation SDK used by companies such as Dropbox, DocuSign, SAP, IBM, and Volkswagen. In 2011 he received a job offer in San Francisco, moved there after a six‑month visa wait, and paused all freelance work. During that idle period he reflected on his work and eventually launched PSPDFKit as a paid component business.

Even before his visa was approved, the side project generated more revenue than his full‑time job could have. He later accepted the San Francisco role, but juggling a 40‑hour job with a full‑time startup left him exhausted, leading him to quit and focus on PSPDFKit full‑time back in Vienna. Over 13 years PSPDFKit grew into a fully bootstrapped company with a remote team of 60‑70 engineers serving top‑tier clients, and in October 2021 Insight Partners invested €100 million, marking the company’s first external funding and Peter’s exit from day‑to‑day management.

Peter openly admits that the relentless grind caused severe burnout, prompting a period of “retirement” that left him feeling empty despite financial freedom.

Retirement, Void, and Awakening

After selling PSPDFKit, Peter struggled with a sense of purposelessness. In a blog post titled “Rekindling Passion,” he described feeling shattered after parting with the company that had defined his identity. He tried various coping mechanisms—therapy, moving countries, and seeking pleasure—but realized that happiness could not be found by relocation alone; it had to be created.

By early 2024, AI tools were still unreliable, but rapid advances convinced Peter that AI was becoming genuinely useful. He decided to return to building, this time focusing on a personal need: a “life assistant.”

Clawdbot: From Idea to Prototype in One Hour

In April 2024 Peter sketched the concept of a personal AI assistant, but the existing models were too weak, so the idea was shelved. By November he recognized that major companies were not delivering truly personal AI assistants—most tools were single‑purpose, privacy‑questionable, or hard to use.

Motivated, he built a rough prototype in an hour: a WhatsApp relay that forwarded messages to Claude Code and returned the results. He called the early version “V Relay.” While working in a Marrakech hotel, he jokingly asked the assistant to protect his hotel door lock; the AI responded, “I’m your proxy,” then automatically migrated itself via Tailscale to his London machine.

After a Discord pull‑request was submitted, Peter debated adding Discord support, eventually accepting it and renaming the project. Claude suggested the name “Clawdbot,” blending “Claude” with the imagery of a claw, and the name stuck.

Clawdbot’s core idea is to give AI a pair of hands that run on the user’s own device, ensuring data stays local.

Community Explosion and Impact

Clawdbot’s GitHub stars surpassed 40,000, and its popularity drove a surge in Mac mini purchases because the device’s low cost, quiet operation, and small footprint made it an ideal host. Even DeepMind product manager Logan Kilpatrick bought a Mac mini to run it.

Peter admits he initially struggled to articulate the product’s value to a wider audience; in‑person demos elicited excitement, but online posts received little reaction until community members began sharing their own experiences, creating a viral momentum.

The project’s success demonstrates a shift in developer roles: from reading code to watching code flow, emphasizing personal experimentation over commercial KPI pressure.

Lessons and Ongoing Journey

Both PSPDFKit and Clawdbot originated from solving Peter’s own problems and then sharing the solutions publicly. The second venture is less about profit—Clawdbot is fully open‑source and free—and more about empowering users to control their data.

Peter’s recent interviews stress that the mission is to let everyone own their data rather than surrender it to big companies. This idealism contrasts with his first startup, which was a traditional B2B venture focused on commercial success.

As the AI era reshapes the world, Peter’s story illustrates how personal curiosity, rapid prototyping, and open‑source philosophy can reignite a founder’s spark and drive meaningful change.