Product Hunt launches on September 5, 2026
dif.sh finished #1 with 305 upvotes, ahead of Reflexio and Ponytail. Here are the day's 40 top launches with 2,117 upvotes between them, across 22 categories, Open Source the busiest with 6.
- launches
- 40launches
- upvotes
- 2,117upvotes
- makers on file
- 44makers on file
- categories
- 22categories
The leaderboard

1. dif.sh
305 upvotesMarkdown feature flags your coding agent installs for you
Open source feature flags. Every flag is a markdown file that lives with the code it controls: what it does, why it exists, and what you decided, reviewed in a PR like any other change. Your coding agent installs Dif in one command, no…

2. Reflexio
260 upvotesBehavioral learning that makes AI agents better over time
Reflexio makes AI agents better with every interaction. When users correct an agent, a path fails, or something works particularly well, Reflexio turns that experience into behavior the agent can reuse next time. Instead of leaving…

3. Ponytail
248 upvotesMake new code the last resort
Ponytail is a plugin that makes coding agents write the least code that works. Before adding anything, it checks whether the change is needed, already exists, or can use the stdlib or a native API. Same behavior, fewer lines to own.

4. Hyperprobe
222 upvotesLets your AI agents debug production without redeploying
HyperProbe is how backend teams debug production issues they can't reproduce locally. Instead of adding a log line and waiting on a deploy, we let Claude Code, Codex, or Cursor drop read-only probes into a running service and capture the…

6. Experiential Labs
138 upvotesOpen source AI gateway turning traffic into a better model
Experiential is the open source, zero markup gateway for BYOK, self-hosted and 1000+ marketplace models. It learns from your traffic to cut costs, recommend better models, and train a specialized model you own.

7. PostBox
117 upvotesDrag, drop, and post everywhere from your Mac's notch
PostBox turns your MacBook notch into a drag and drop poster. Drop in finished work, write one caption, and post to YouTube, Threads, Instagram, Bluesky, Dribbble, LinkedIn, X, and TikTok at once. Schedule posts, add multiple accounts…

8. CommuteBar
107 upvotesLive commute times in your menu bar
Glance at traffic. Leave on time. CommuteBar puts live commute times visibly on your Mac menu bar, no app-switching required. Save multiple destinations like office, school, gym. Schedule automatic switching for recurring commutes and get…
Mac1 maker9. Queuebrick
102 upvotesThe Letterboxd alternative
Fast, elegant movie tracking. Search a film, rate it, queue it, rank what to watch next. The Letterboxd alternative.
Video Streaming1 maker
10. Retold
105 upvotesTurn family voices into hand-drawn story films
Record a memory or import an old voice note. Retold keeps the real voice and turns the story into a hand-drawn film and readable book. The sketches follow the people, places and little details as they are spoken, then every memory is kept…
Audio1 maker
11. GitWarren
92 upvotesReview code with your coding agents before committing
It’s a local, PR-like code review app that works directly with your working tree. You can review committed, staged, unstaged, and untracked changes, leave inline comments, and organize the work into actual reviews without having to push…

12. BrickForgerAI
88 upvotesTurn any prompt into a brick set you can actually build
Type a prompt, get a buildable brick model. The AI (image + mesh gen) is just the front door. The real work is the brick-placing engine: voxelizing the shape, tiling it with actual LEGO-compatible parts, staggering seams for strength…

13. AI Agents Listing
30 upvotesThe agentic AI ecosystem, in one directory
A directory of the agentic AI stack: AI agents that do real work, MCP servers that connect them to your tools and data, and agent skills that extend what they can do. Every listing gets an indexable page, and pages link across the three…

14. LiftmyCV 3.0
12 upvotesYour personal AI job search & auto-apply agent.
Meet the brand-new LiftmyCV 3.0, an all-in-one AI job search platform that matches you with relevant jobs, generates job-specific resumes and cover letters, and applies on your behalf. This version introduces a new user interface, a Job…
Chrome Extensions1 maker
15. Malyatko — Baby tracker
12 upvotesPrivacy-first baby tracker that works fully offline
Malyatko is a privacy-first baby tracker for the first years. Unlike most trackers it needs no account, shows no ads, and works fully offline — your baby's data stays on your device and iCloud, not a server. Track 18 activity types…

16. Brain Rest
19 upvotesDon’t let your browser rot your brain
Brain Rest turns browser screen time into a character you’ll actually want to protect. See every site and tab in one dashboard, watch your Brain Level shift from Fresh to Dead, and use an on-page widget to stay aware without breaking your…

17. Muse Spark 1.3
10 upvotesMeta’s flagship for coding and long-horizon agents
Muse Spark 1.3 is Meta’s latest flagship for agentic work and coding. Same $1.25 / $4.25 API price as 1.2, with about 20% fewer tool calls and 25% fewer tokens on coding in Meta’s own comparisons. It leads DeepSWE v1.1 at 75.4 and ties…

18. Autnest: Drive & AI
9 upvotesAutomotive hub for drivers & garages — with AI built in
Autnest brings car life into one place — digital garage, live map, marketplace, community, and roadside help. Drive.AI helps with research, diagnostic-style guidance, and damage workflows as decision support — not a substitute for…
19. supatools
6 upvotesThe directory for product makers
Discover the best web development tools, libraries, and resources to help you build your next project.
20. Traction
6 upvoteshelps indie founders get marketing traction
There are 19 ways a company gets customers. OnlyTraction runs the Bullseye Framework using AI to narrow them to two or three winning opportunities. Then the tactics to test. The conferences, the communities, 1,500+ directories, with a…

21. VerbX Localize
6 upvotesInstall Once Localize Forever
VerbX Localize helps developers ship multilingual apps without maintaining translation keys or endless locale files. Wrap your source text, choose the languages, and Localize handles translation with context, glossary support, translation…
Languages3 makers
22. Dual Subtitles
5 upvotesTwo subtitle lines at once on YouTube and Netflix
Original and translation on screen at once — made for learning a language from videos. Every YouTube subtitle language; on Netflix, translation works even with no track for yours. No server of mine behind it — nothing to go down, nothing…

23. AI Alignment Skill
5 upvotesEnsure alignment when working with frontier AI models.
A simple but powerful skill that ensures alignment when using frontier AI models like Astra and Fable. With Astra released and presumably more powerful agents on the horizon, it's better to be safe than sorry. This skill can be used with…
Open Source1 maker
24. DevMotion v2
4 upvotesThe AI video agent that looks at what it builds
Every other AI video tool works blind. It writes a scene, gets back "success", and never knows whether the frame actually looks right. v2 fixes that: the agent renders real frames and looks at them. It caught a title running off the…
Developer Toolsdevmotion.app25. Harbory
4 upvotesLightweight infra orchestration control plane, in Rust
Harbory is a distributed control plane and agent system built entirely in Rust. A central web platform communicates with lightweight, high-performance agents running on your remote VMs, spinning up containers, deploying services, and…

26. Retrace
4 upvotesA visual timeline of your coding workflow in VS Code
Retrace helps you remember what you were doing in a codebase. It automatically records your coding activity locally and turns it into a visual timeline, so you can look back at previous context and jump back into your work. No account, no…

27. Any AI for Notion
4 upvotesConnect any AI model to your Notion workspace
Use ChatGPT, Claude, Gemini, or any AI agent to read and write your Notion pages. Secure OAuth, mobile app, one-time purchase, open source.
Open Source1 maker
28. Cropit
4 upvotesSplit Any Photo into a Stunning Grid
Split any photo into 3×3 Instagram profile grids, seamless panorama carousels, or precision multi-tile cuts. Get instant reverse-order guides, with everything processed 100% in your browser.
29. Schedule & Chill
4 upvotesLet your AI write, schedule and post to LinkedIn
Free LinkedIn post scheduler with an MCP server and REST API. Let Claude Code, Cursor or Gemini CLI write and schedule your posts. No credit card.
Social Media1 maker
30. Quenched - Water Tracker
4 upvotesKeep yourself hydrated and watch your day fill up.
Quenched is a beautifully simple hydration tracker for iPhone, Apple Watch, and Android. Set a smart daily goal, log water with a tap, sync with Apple Health or Health Connect, and watch your day fill up.

31. TAMA
5 upvotesDaily Japanese conversation practice. No tutor required.
Practice realistic Japanese conversations by voice or text, get clear feedback, save useful vocabulary, and review it with spaced repetition. Free and open source for macOS, Windows, and Linux, using local models or your own API keys.
Open Source1 maker
32. AnyWorld AI: Live In Any World
18 upvotesLive a whole life inside any world you can imagine.
Live a whole life inside any world you can imagine. Choose an anime, book, show, game, or create your own world. Make choices, build relationships, face consequences, and let characters remember what you did. AnyWorld AI turns each world…
RPGs1 maker
33. NearPair for Mac
3 upvotesYour non-Apple earbuds deserve the AirPods treatment on Mac
NearPair detects compatible Fast Pair earbuds nearby and shows a calm, native setup card on macOS.

34. AuditReady
3 upvotesSOC 2 & ISO 27001 without the enterprise price tag
AuditReady keeps frameworks, policies, tasks and evidence in one place so a 5–50 person team can answer vendor security questionnaires in an afternoon and walk into an audit prepared.


36. Food Holidays
3 upvotesWorld food holidays on a beautiful calendar
See today’s national food and drink days across the United States, Italy, Mexico, Japan, China, France, India, Spain, Israel, Türkiye, Saudi Arabia, and International calendars.

37. Photosynthesis: 2-Lens Camera
3 upvotesUse 100% of your camera
Photosynthesis is an innovative camera app for iPhone that takes photos from two lenses at once, then stitches them into one extraordinary result. Photosynthesis enables you to use 100% of your camera, combining the scope of the wider…
Photography1 maker
38. Lie Predictor
3 upvotesCheck if people will answer a question truthfully
Check any question to see how likely people are to lie about it. In user research, customer feedback, consumer polling, many times we ask questions that seems perfectly credible, without considering if people even know the answer, and if…

39. LetsLaunch
3 upvotesLaunch your SaaS instantly for free with SEO backlink
LetsLaunch is a startup launch and product discovery platform built for founders, indie hackers, makers, and early adopters. Launch your startup, SaaS, AI tool, app, or side project, get discovered by new users, and build long-term…

40. Telavevodettismo
3 upvotes"I told you so" hits different with a timestamp
🔮 Telavevodettismo — finally get receipts for your predictions We all know someone who says "I called it" — after the fact, with zero proof. This app fixes that. Log your predictions before they happen, track your accuracy over time, and…
Productivity1 maker
This day's categories
Questions
- What was #1 on Product Hunt on September 5, 2026?
- dif.sh ("Markdown feature flags your coding agent installs for you"), with 305 upvotes. Reflexio (#2) and Ponytail (#3) followed.
- How many launches are listed here?
- 40: the top of the day's leaderboard, ranked launches first. Junior has 44 makers on file for them, 20 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 44 makers behind September 5, 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.