Product Hunt launches on April 21, 2026
RankAI finished #1 with 575 upvotes, ahead of Twenty 2.0 and Kimi K2.6. Here are the day's 40 top launches with 5,119 upvotes between them, across 19 categories, Developer Tools the busiest with 5.
- launches
- 40launches
- upvotes
- 5,119upvotes
- makers on file
- 38makers on file
- categories
- 19categories
The leaderboard

1. RankAI
575 upvotesRankAI autonomously gets you buyers from Google & AI Search
RankAI is the first SEO/GEO agent that truly works. It handles everything autonomously to drive you millions of visitors from Google & AI Search like ChatGPT. Drop in your website, and RankAI handles the rest: it finds high-intent queries…

2. Twenty 2.0
360 upvotesBuild your Enterprise CRM with an AI-friendly SDK
Twenty 2.0 turns our open-source CRM into a platform you can build on. Define your data model, custom objects, workflows, layouts, and widgets in code with our new SDK, shipped through your normal dev flow with the AI tools you already…

3. Kimi K2.6
339 upvotesOpen-source SOTA for long-horizon coding and agent swarms
Kimi K2.6 is Moonshot’s latest open-source model, built to push coding, long-horizon execution, and agent swarms forward at the same time. It brings stronger end-to-end coding, 300-agent swarm orchestration, and improved reliability for…
Open Source1 maker
4. Dageno AI
232 upvotesBecome the most recommended brand across 7+ major LLMs
Built for startup and growth teams, Dageno AI tracks brand visibility across 7+ major LLMs using real data we collect ourselves. We combine signals from your site, traffic, prompts, social, and mentions to uncover visibility gaps and…
Marketing1 maker
5. Devaito
188 upvotesBuild, launch, and grow your business on autopilot
Describe your business and Devaito launches the essentials for you: website, store, mobile app, SEO, blog, social media, customer support, and sales automation. Unlike traditional site builders, Devaito doesn’t stop at setup. AI agents…
Artificial Intelligence1 maker
6. Spectrum
163 upvotesBring agents to all the interfaces people already use
Nobody is going to download an app or visit a website to use your agent. Spectrum is an open-source framework that connects your agents to iMessage, Telegram, WhatsApp, and other interfaces people use every day, using one unified API.…
Messaging1 maker
7. Perplexity Health
166 upvotesAsk health questions across your records, labs, wearables
Perplexity Health connects your medical records, lab results, and wearable data so that AI can answer health questions using your actual history, not generic content written to rank. For Perplexity Pro and Max users in the US.
Health & Fitness1 maker


10. Cosine Swarm
129 upvotesParallel AI agents for long-horizon, complex software tasks
Cosine Swarm is AI software engineering at scale, built for long-horizon work and engineers with taste. By transforming objectives into an organized team of specialized agents – Orchestrators, Task Owners, and Workers – it handles complex…
Developer Tools1 maker
11. PageOn.AI 3.0
117 upvotesA smarter visual agent for slides, posters & infographics
A total visual leap. Smarter agent delivers stunning slides, posters and graphics instantly. No skills needed. Refine what you want, ship what impresses.

12. Magic Layers by Canva
115 upvotesTurn any flat image into a fully editable design
Magic Layers converts any flat PNG or JPG into editable layers inside Canva, live text, movable objects, and intact layout. For marketers, creators, and teams who iterate on AI-generated visuals.

13. Harker 2.0
113 upvotesPrivate speech-to-text on your Mac
Harker turns your voice into text without sending a byte of your voice to the cloud. The core is free and runs 100% on your Mac. Upgrade to Premium when you want AI to rewrite, summarize, or translate what you just said.

14. Gauge Sentiment
107 upvotesHow is your brand perceived by AI?
Gauge now can tell you exactly how AI models talk about your brand. When put in a head-to-head against your competitors, who wins? In what ways are AI models bad-mouthing your brand? Talking up your competitors? Gauge analyzes the results…
Marketing1 maker
15. Flow AI
105 upvotesTurn Linkedin into unlimited leads on auto-pilot
75% OFF with Promo Code (see comments)! Flow AI is the #1 tool to find UNLIMITED ideal buyers, scale multi-sender outreach, and book more meetings on LinkedIn. Search a database of 300M+ contacts and let Agent Maya run outreach across…
Sales1 maker
16. Pioneer
115 upvotesFine-tune any LLM in minutes, with one prompt
Fine-tune SLMs in minutes. Describe your task in plain English and our agent handles everything: data generation, training, evals, and deployment. Models deployed on Pioneer also keep improving automatically from live inference data. With…
API1 maker17. X Island
109 upvotesDynamic Island for AI Coding Agents
xIsland turns the notch into mission control for Claude Code, Codex, and Gemini CLI, etc. Never miss a permission prompt, see every session at a glance, answer questions, approve requests, and jump back to the right terminal panel in one…

18. illumi
104 upvotesAI visual workspace that takes you from thinking to delivery
illumi is an AI visual workspace for turning complex thinking into publish-ready work. Capture ideas, structure your context, and go from messy input to finished output without losing the thread or juggling tools.
Productivity1 maker
19. RapidNative
93 upvotesThe AI app builder that actually builds the whole app
RapidNative v2 turns your idea into a complete, working app. Not just screens. Fullstack. Database, authentication, file storage, and real-time updates, all generated together as one coherent app. Describe it in plain English. Sketch it…

20. YourMemory
92 upvotesAI that remembers and forgets like humans.
Most agents are either amnesiacs or "hoarders" that choke on stale context and break their own reasoning. YourMemory brings biological logic to the workflow. Using the Ebbinghaus curve, it prunes the junk so only the important stuff…
Open Source1 maker
21. Katzilla
87 upvotesEasy goverment data access for citizens, optimized for AI
Access to over 250k datasets of 30+ US and foreign government agencies with one unified API. Get structured JSON response for AI agent ingestion. Each response carries a structured citation (source URL, retrieval timestamp, SHA-256 hash).…
API1 maker
22. My Race Tracker
92 upvotesTrack your races. Not your ego.
My Race Tracker is an essential digital diary for amateur runners. It was created for those who experience running as a personal pleasure, a challenge with themselves, or a way to stay healthy, away from the obsession with advanced…
Health & Fitness1 maker
23. React Email 6.0
89 upvotesAn open-source email editor you can embed in your own app
React Email 6.0 introduces an open-source visual editor you can embed in your app with a few lines of code. It outputs email-ready HTML that renders across every major inbox. Fully themeable and extensible. Built in two layers: - a core…
Email1 maker24. SHIFTLY
91 upvotesAI-powered growth strategist for builders and small teams
AI growth strategist for startups and small teams. Get personalized user acquisition, product growth, and marketing playbooks powered by AI — actionable strategies to grow your product fast
Growth Hacking1 maker

26. Rowboat
87 upvotesThe AI work app that understands how you work
Most AI tools need five prompts to get it right. Rowboat needs one. It builds a living knowledge graph from your meetings, emails, and notes, so it already knows your work and how you work. Take meeting notes, prep for your day, draft…
Email1 maker
27. ClankerPass
78 upvotesCan you convince an AI that you're an AI?
GATEKEEPER-9000 is a supremely smug AI that won't let you in unless you can prove you're a fellow machine. You get exactly 3 messages. Pass and you get an official "Clanker Pass" certificate where you can say "Clanker" freely and without…
Funny Gamesclankerpass.com1 maker
28. Chat Skills for AI Agents
84 upvotesOne file. Any agent. Working chat in under 10 minutes.
Add fully functional chat to your React app using AI agent skills. Drop in a skill file and your agent handles the full integration: installation, environment setup, SSR-safe rendering, and the correct init and login flow. One file per…
Messaging1 maker
29. ScreenBuddy
78 upvotesScreen recording with auto-zoom, spotlight, and lightbox
ScreenBuddy is the only macOS & Windows screen recorder with the full attention stack: auto-zoom, spotlight, and lightbox. Built for product demos and tutorials. Lifetime deal: $29.99 once.

30. Byoky
79 upvotesShare your AI budget without sharing your keys
More than a wallet. Byoky is a network that lets your AI tokens flow between people, apps, and providers. Gift your spare budget to anyone. Translate between Claude, GPT, and Gemini on the fly. Connect from your phone via QR. 13…

31. Pagecorder
77 upvotesTurn your web page into a hardware accelerated video via API
Pagecorder is an API that records your web page as video, including screen and audio. It's performance-oriented and supports 60 FPS at 4K. Just add two JavaScript calls to your page to signal the start and end of the recording, post the…

32. OnTheMap
76 upvotesThe global map for builders, founders, and visionaries
OnTheMap makes founder discovery visual and alive: instead of another static directory, it maps builders and visionaries on a live global globe, adds Stripe-powered recurring revenue signals, and ranks momentum by country so you can…
Social Network1 maker
33. Fabi
75 upvotesCloud agent to build internal apps and automate workflows
Fabi connects to your tools and data to build internal apps and automate workflows.

34. KingCoding
74 upvotesYour Claude Code & Codex dev, now in your pocket
A Mac app to run Claude Code and Codex on your desk — drive them from your phone or a second PC. Dispatch tasks, review progress, approve work from anywhere, all synced to one session. No more git-pulling between machines. King Mode turns…

35. Magic Lane
74 upvotesSovereign navigation infrastructure for Europe
Magic Lane provides mission-critical routing and spatial intelligence with 100% EU data residency. Serves micromobility, fleet, automotive, emergency, and on-demand rides with privacy-first, offline-capable tech.

36. STRIKE
74 upvotesThe habit app that doesn't forgive you
Most habit apps let you lie to yourself. Miss a day? Mark it done. Streak saved. STRIKE removes that escape hatch. When your alarm fires, you get one window to validate. Miss it — streak resets to zero. No editing history. No second…
iOS1 maker
37. Apple Books MCP
75 upvotesTalk to your Apple Books library with Claude
Your Apple Books library holds thousands of highlights — what you've underlined, what you've wondered, what you've finished and abandoned. Apple Books MCP is a reading copilot. It gives Claude direct access to your books, highlights…
Productivity1 maker
38. GladeKit
79 upvotesAI agent for Unity game development
Build games by prompting. GladeKit runs next to Unity and executes 230+ tools directly in your project - scenes, scripts, prefabs, materials, UI, and more. It reads your hierarchy, project context, console, cross session memory, and runs…


40. Cosmic Agent Marketplace
70 upvotesAI agents for your team, built into your CMS
Browse ready-to-use AI agents for content creation, code review, SEO, sales, support, and operations. One-click install into your Cosmic project. Cosmic's Agent Marketplace lets you deploy AI agents that live in Slack, WhatsApp, and…
API1 maker
This day's categories
Questions
- What was #1 on Product Hunt on April 21, 2026?
- RankAI ("RankAI autonomously gets you buyers from Google & AI Search"), with 575 upvotes. Twenty 2.0 (#2) and Kimi K2.6 (#3) followed.
- How many launches are listed here?
- 40: the top of the day's leaderboard, ranked launches first. Junior has 38 makers on file for them, 7 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 38 makers behind April 21, 2026's launches
Junior lists the founders and makers behind every launch here, with verified work emails, LinkedIn and X profiles, CSV export and a daily Google Sheet. $29/month, cancel any time.