Best of Product Hunt|May 12, 2026

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1. KelviqPayments, tax, and billing for SaaS & AI companies

Payments•SaaS•Developer Tools

2. Open VibeShip your SaaS with AI, without getting stuck

Education•SaaS•GitHub

3. Jotform Claude AppBuild, edit, and analyze forms directly in Claude

Productivity•Artificial Intelligence•No-Code

4. Hyperswitch PrismLibrary to plug-n-switch payment processors

Open Source•Fintech•Developer Tools

5. display.devPublish agent-generated HTML behind company auth

SaaS•Developer Tools•Artificial Intelligence

6. Free AI SEO AuditorAudit your site for the AI search era. 100% Open Source

SEO•Developer Tools•Tech

7. Whale StartsThe website builder that can copy any design on the web

Website Builder•Web Design•UX Design

8. HeyNewsYour newsletter, your voice, ready to publish in 5 minutes

Newsletters•Writing•Artificial Intelligence

9. FileFlanInstant private universal file sharing

Productivity•Privacy•Data

getviktor.comAn AI coworker that actually does the work

Productivity•Artificial Intelligence•Business

I run growth at Wispr Flow, so I spend most of my time deep in AI tools and automation. I'd been following Fryderyk and the Zeta Labs team since Jace, their AI email assistant, and was impressed by how fast they shipped product. When Fryderyk showed me Viktor, it clicked immediately. I'd been spending hours building automations in Claude Code - stitching together context, writing scripts, trying to make things persistent and scheduled. Viktor did all of that natively. It just lives in Slack, already has the context from your tools and conversations, and runs on its own. But the thing that genuinely blew me away was the proactive behavior. Viktor doesn't just wait for you to ask. It observes how your team works, chimes in when it spots something relevant, and suggests automations you didn't think to set up. I've never seen an AI tool take initiative like that. I ended up advising the team on growth strategy because I believe this is how every team will work within a few years. Not another tab. Not another tool. A coworker that lives where your team already communicates. If you're skeptical, give it your worst task. That's what convinced me.