I built a tool that helps founders grow on Reddit, X, and LinkedIn

What it does

In the maker’s words, at launch

Hey HN,I'm Arthur, solo founder here. After struggling to get consistent traffic for my own startup, I realized I was spending more time guessing how to market than actually building. So I made something small but useful. MediaFast is a simple tool that gives you daily marketing roadmaps for Reddit, X, and LinkedIn. No fluff, just concrete tasks that help you get seen. It covers: – Where and how to post on Reddit without getting banned – What to tweet to get engagement as a SaaS founder – How to grow LinkedIn with cold DMs and soft content Since launching, I’ve gotten 15k+ visitors and $5.7k in revenue, just from using my own tool and posting on socials. Now I’m trying to help others do the same. Would love feedback, especially on how to make the product more useful for solo devs and indie hackers. Thanks for reading!

• LS
  LinkedIn sucks, so I built a better one2025 · heyopenspot.com · ▲470

  LinkedIn feels more like Facebook every day — noisy feeds, fake engagement, and everyone shouting into the void. Thats why I used to built a personal microsite on Squarespace and uploaded a video resume to YouTube to stand out - it helped me land interviews and get into Big Tech. But I always wondered: why isn’t there a platform designed to help you stand out like that? So I built OpenSpot: a public, curated platform where you can showcase who you are — with video, audio, and proof of your work. No endless feeds. No humblebrags. Just real people open to new opportunities. We’ve already…

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  Nilkick28d ago · nilkick.com · ▲3

  From zero to your first real users, minus the grind.

• IM
  I made a fool that finds potential customers for you2024 · ▲5

  Hey everyone! I wanted to share a tool I built to help you quickly find potential customers across social media for your product. It's a really simple concept: you simply paste in your landing page URL, and it shows you highly relevant posts across Reddit (Working to integrate few more) from people who likely need your product or service. For example, if you have a minimal to-do list app, it will show you posts like "Anyone know of a minimal to-do list app?" or "Really starting to dislike how complex Notion is." These posts are from the last 48 hours, updated in real-time, and uniquely…

• MA
  Momentum – Automated marketing for solo founders2014 · ▲18

  Hi HN, today I'm launching Momentum, a new service to help you find users and customers for your apps and services. Check it out - http://momentum.getgini.com I have seen many developers here on HN who build awesome stuff but then struggle with the marketing. Momentum is designed for solo developers who don't have the time or skills for promoting their apps and services. It helps you find the most relevant blogs, websites, forums, journalists, social influencers in your target market. It also makes a tailored content marketing plan and helps you optimise your marketing site. It's…

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  SimpleMarketing2025 · ▲22

  AI-powered Reddit marketing for indie founders

• IB
  I built a tool that automates social content for busy startup founders2025 · outbrand.design · ▲8

  Hey HN, I’m Johann - founder of Jars Global, where we build and launch a lot of products. We've seen how valuable social content can be for early traction, but staying consistent and keeping good quality without wasting time or money has always been a challenge. So I built Outbrand. A tool that you can setup once by inputting your brand details and goals. Then you get a 30 day content schedule with graphics. You can integrate with social platforms so it runs on auto-pilot. Setup once, then get daily content easily. PS. Please roast it! Really want to improve it so it's extremely high quality…

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  AstraPixels▲267

  ​​A pixel-art solar system at its real current positions.​

  Growth · 29d ago · astrapixels.com

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  WorldMap.lol▲197

  Put your startup on the map. Literally.

  Growth · 13d ago · worldmap.lol

• IM
  I'm an airline pilot – I built interactive graphs/globes of my flights▲1,539

  Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!

  Life & fun · 2025 · jameshard.ing

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  Chronicle: Cursor for Slides▲1,213

  Stunning presentations with AI. No design skills required.

  AI · 2025 · chroniclehq.com

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  Bubble for native mobile apps (beta)▲1,029

  Build native mobile apps for iOS and Android without code.

  Dev tools · 2025 · bble.io

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  Twenty▲991

  The #1 open-source CRM

  Dev tools · 2025 · twenty.com

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  Pally - AI Relationship Management▲949

  All your connections, across all your socials.

  AI · 2025 · pally.com

• WC
  Workout.cool – Open-source fitness coaching platform▲827

  I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…

  Dev tools · 2025 · github.com