Product Hunt launches on June 4, 2026
Mailwarm 2.0 finished #1 with 655 upvotes, ahead of Astra Autonomous Pentest and Empromptu AI. Here are the day's 40 top launches with 4,771 upvotes between them, across 22 categories, Productivity the busiest with 7.
- launches
- 40launches
- upvotes
- 4,771upvotes
- makers on file
- 42makers on file
- categories
- 22categories
The leaderboard

1. Mailwarm 2.0
655 upvotesThe email warmup tool, upgraded for deliverability.
Most founders rely on email to grow, but emails don’t land in the inbox by magic. Mailwarm 2.0 is the premium email warmup and deliverability system built to give your emails the best chance of reaching the inbox. It combines automated…

2. Astra Autonomous Pentest
399 upvotesAI agents that find, validate, and fix every vulnerability
Astra Autonomous Pentesting makes self-healing software the new standard, a category we’re defining after 8 years and 5,000+ real-world pentests. An army of offensive pentesters and bounty hunter agents that discovers complex chained…
SaaS1 maker
3. Empromptu AI
281 upvotesTrain Fine Tuned Models With AI Apps You're Already Building
Most AI apps launch on someone else’s model and stay there forever. Empromptu AI turns live AI features into custom models you own. As your app runs, Empromptu AI captures real-world usage, human corrections, and edge cases from live AI…
Developer Tools1 maker
4. Google Gemma 4 12B
304 upvotesRun multimodal AI locally with an encoder-free architecture
Gemma 4 12B processes text, vision, and audio natively without separate encoders, running on 16GB VRAM. For developers building local agentic applications who need multimodal capability without cloud dependency.
Open Source1 maker
5. AppWizzy
165 upvotesRent a private VM with Codex to build production apps
AppWizzy gives you a private VM with Codex installed where you build, run, and host production web apps by chatting with AI. Your code is yours, the workspace persists, and the app lives in the same environment where it was created. Pay…

6. Build Club Campus
201 upvotesVirtual AI School: Upskill in AI and Become Great at it Fast
Build Club Campus is a fun, gamified and community-driven virtual AI school for learning AI by building with it. Static courses get old fast in AI, so Campus helps you stay current through bite-sized courses, real projects, role-based use…
Education1 maker
7. Deliveryman.ai
186 upvotesCold email infrastructure on autopilot without Gsuite
Deliveryman.ai automates the hardest parts of cold email infrastructure mailbox setup, DNS records, warmup, email verification, sending systems, blacklist monitoring, reply management, and routing. Instead of spending weeks setting up…

8. Novus
147 upvotesCatch and fix usability issues automatically as you ship
Novus is the product agent built for teams that ship fast. Connect your codebase and Novus automatically instruments, analyzes, and improves your product — no manual setup. It monitors continuously, flags usability issues proactively, and…
Analytics1 maker
9. TimeTuna.com
148 upvotesIf Calendly had gorgeous video backgrounds
If Calendly was for people who care about design. We help founders, freelancers, and studios create a memorable impression on their prospective clients through booking pages with beautiful video backgrounds. Your video, your domain, your…

10. Koji by Brilliant
129 upvotesA world-class personal tutor for every home
This isn’t just a feature launch, it’s an evolution of our entire product experience. Brilliant is now a superintelligent tutor designed to work like the best human tutors. It asks the right questions, sketches right on your screen, and…

11. Keen Code
126 upvotesA context-efficient CLI coding agent built by agents
Keen Code is an open-source, context-aware and efficient CLI coding agent written in Go. Three aspects stand it out from other similar products: - It was built from scratch by coding agents, with the full prompt/design trail preserved and…
Open Source1 maker
12. Perplexity Personal Computer for Windows
129 upvotesRun AI agents across your local files and apps on Windows
Personal Computer extends Perplexity's multi-model agent system to your Windows machine, running tasks across local files, native apps, and the web for Max and Enterprise Max subscribers on the waitlist.

13. Boxes.dev
113 upvotesRun Claude Code and Codex in your own cloud environment
Cloud dev environments for agentic coding. Run each Claude Code or Codex chat on its own computer in the cloud, connect from mobile and desktop, and code from anywhere.

14. Sun
106 upvotesCollaborative voice API for agents
Sun is a voice first AI model built specifically for real‑time collaborative voice interaction, not just one‑on‑one chat. ChatGPT Realtime and Gemini Live were built for one user talking to AI. Sun is built for collaboration — meetings…
Meetings1 maker
15. Basedash Semantic Layer
102 upvotesDefine metrics once. Use them everywhere.
The Basedash semantic layer lets teams create reusable SQL metrics and models that AI can reference across chat, charts, dashboards, insights, and automations.
Artificial Intelligence1 maker
16. Carbon Voice Speed Dial
99 upvotesGet your whole team (humans and agents!) on speed dial
Talk to your whole team — people and AI agents — with one tap. Carbon Voice gives you a speed dial for your team. One keystroke on desktop, one tap on mobile, and you're talking to anyone — a teammate, a group, or an AI agent like…
Messaging1 maker17. Gather
101 upvotesSave it once, never lose it again
Easily find any design references! Gather is your second brain for visual inspiration — save screenshots, photos, and links, then search them the way you'd describe them to a friend: "that muted retro car ad."
Design Tools1 maker
18. Extella.AI
95 upvotesAgentic platform that evolves & builds reusable systems
Extella is an agentic AI platform that self-evolves. It remembers what works and reuses it, so each task runs faster and cheaper. That memory lives in four layers: Rules adapt to you, Concepts build a knowledge base, Experts turn work…
Productivityextella.ai
19. Intelligent Terminal
100 upvotesWindows Terminal with native agent integration
Intelligent Terminal is an open-source experimental fork of Windows Terminal with native agent integration. It adds an agent status bar, context-aware agent pane, automatic error detection, session management, and command palette prompts…

20. Kai for Chrome
94 upvotesLocal meeting transcription with no account needed
Kai transcribes & summarizes your Meet, Zoom, and Teams calls 100% on-device. Press ⌘⇧K, get a clean summary + action items the moment the call ends. No account, no upload, no meeting bot in the room. First Chrome extension running…

21. Smart Runner
94 upvotesYour training plan, rewritten after every run
Smart Runner builds an adaptive 5K-to-marathon plan from one race result and rebuilds it after every run. Paces come from your VDOT, load tracking is the usual ATL/CTL/TSB, and workouts follow Pfitzinger, Daniels and Canova. Native Apple…
iOS1 maker
22. Chloe by Close
88 upvotesAI agent built into your CRM who works leads for you
Other AI agents bolt onto your CRM, but Chloe is built into it. Chloe calls leads, replies to emails, enriches contacts, takes notes, and updates Close the second anything changes. No extra seat, no commission, no integration to babysit.…

23. Cignara
93 upvotesAI Agents for Fortune 500 grade customer support
Cignara provides enterprise grade AI agents that handle end to end customer conversations over voice and chat. Built with strict policy governance, our agents reason within your specific business rules to deliver verifiable, completely…

24. Audex Trace
82 upvotesSee real time codec, bit depth, sample rate for Apple Music
Audex Trace is a Mac mini player for Apple Music that shows what is actually playing in real time: codec, bit depth, sample rate, and output match status. It also shows Playing Next, estimates upcoming queue quality, and warns about…
Mac1 maker
25. PlugTalk
89 upvotesYour Mac talks back when you plug things in
PlugTalk plays a custom sound for every USB plug and unplug, and shows live USB speed, power draw, and storage usage from the menu bar. 18 built-in sound packs plus your own MP3s. Per-device rules, hub-aware grouping, connection log.…
Productivity1 maker26. Split Ninja
82 upvotesCut, extract, mute, and split videos locally
Split Ninja is a free local-first media toolkit for cutting videos, extracting audio, muting clips, and splitting scenes directly in your browser. Your files stay on your device, with fast export and precise re-encode modes.
Productivity1 maker
27. Walrus Memory
86 upvotesEnable agents to keep context & work across apps + sessions
Walrus Memory enables AI agents to operate reliably across apps and sessions, without losing context. Portable, verifiable, and fully controlled by you, it is the memory layer that lets agents handle complex workflows and coordinate using…
Developer Tools1 maker
28. Curata
80 upvotesA shared workspace for AI agents and humans.
Curata is an AI-native knowledge base where agents and humans build knowledge together. AI agents write structured pages from your live data or inputs - CRM, calls, tickets, Slack. Your team reviews and annotates in the browser. Every run…
29. DotBGE
85 upvotesLocal-first file encryption for iOS, CLI, and agents
DotBGE encrypts files on-device with no accounts and no servers. Use the iPhone/iPad app to encrypt, decrypt, preview, and sharebge files; use the bge CLI on macOS/Linux for scripts and terminal workflows; or let Claude Code, ChatGPT, and…

30. ChatPilot
81 upvotesBulk delete, archive & timestamp your ChatGPT conversations
ChatPilot brings the management tools ChatGPT is missing. Select multiple conversations and delete or archive them in bulk—no more clicking through chats one by one. It also adds timestamps to your conversations, so you can finally see…

31. KLIPY
79 upvotesExpression API layer for next generation Apps.
KLIPY is the #1 short-form media content API - GIFs, Stickers and Clips in one integration, delivering the industry's highest share rates. Over 8,000 developers build on KLIPY, including BeReal, Microsoft SwiftKey and Baidu.

32. API AI Readiness Scorecard
21 upvotesIs your API ready for AI agents? Get an AI readiness score
Jentic API Scorecard is a free, open-source CLI and web UI that grades any OpenAPI spec for AI-readiness across six dimensions: compliance, developer experience, agent readiness, usability, security, and discoverability. AI agents are…
API1 maker
33. Ringly: Alarm Clock & Sleep
26 upvotesMake snoozing harder than waking up
Ringly is an iPhone alarm for chronic snoozers. Set a Wake Profile, check that tomorrow’s alarm is ready, then dismiss it with missions like math, typing, walking, shake, scan/photo proof, or memory. The goal is simple: make the sleepy…
iOS1 maker
34. Headroom
17 upvotesCut Claude Code token costs by ~50% with Headroom
Headroom is a menu bar app that quietly optimizes the inputs Claude Code gets by trimming prompt bloat, stripping boilerplate, and compressing documents without changing how you work. This unlocks about 2x as much Claude Code usage on the…
35. Moneyball
19 upvotesAI finance tracker for multi-bank, multi-currency households
Moneyball is a personal finance app for modern households and individuals managing money across countries, currencies, banks, and cards. Upload any statement, and Moneyball’s AI categorises every transaction using pre-defined rules…
Fintech1 maker
36. Earthguessr 2.0
15 upvotesZoom, pan, and guess where you are!
Map the unknown. Explore five random spots on the planet from a satellite's perspective — zoom, pan, and guess where you are!

37. Humanonn
16 upvotesMake your site feel more human
most tools give generic audits. humanonn specifically answers "why my site look vibe coded." it crawls your live site, captures hover states, interaction effects, screenshots... maps everything against tiered signals split into origin…
Artificial Intelligence1 maker

39. Maths3D
12 upvotesReal Maths. Real Places.
Interactive 3D geometry and trigonometry for NCEA, Singapore MOE, and US Common Core. Visualisation of the surface areas of hollow, open and closed 3D platonic shapes. Animated derivations of volumes of pyramids, cones, prisms and…

40. DockSolo
12 upvotesPin the macOS Dock to one screen — for good
Stop the Mac Dock from jumping between screens. DockSolo pins it to the display you choose. Native, no subscription. €4.99 lifetime.
This day's categories
Questions
- What was #1 on Product Hunt on June 4, 2026?
- Mailwarm 2.0 ("The email warmup tool, upgraded for deliverability."), with 655 upvotes. Astra Autonomous Pentest (#2) and Empromptu AI (#3) followed.
- How many launches are listed here?
- 40: the top of the day's leaderboard, ranked launches first. Junior has 42 makers on file for them, 17 with a work email.
- Which time zone is the day in?
- Pacific time, as Product Hunt runs its leaderboard: a day starts at midnight in San Francisco.
Reach the 42 makers behind June 4, 2026's launches
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