Startups using Ruby on Rails

You'll have to figure it out.

FriendFilter and GroupFilter are established Chrome extensions for Facebook friend and group management. $11.3K MRR / $135.6K ARR from ~390 subscribers. Stack: Rails, Vue.js, PostgreSQL. Recent v7.2.4 maintenance release. Bonus asset: 100K dormant email list (2019–present). Growth levers already built: CWS Featured badge renomination (submitted Q1 2026), SEO landing page, Rewardful affiliate program. Asset sale to buyer's LLC. 30 days transition support included.

Aware was a social media management tool. Exited in Summer 2025.

Career Coach for the EU

Automate TikTok to drive traffic to your business. ReelFarm alternative. Keywords - Social, Slideshow, Arcads, Makeugc, Icon, Ads, Video, Automation, Marketing, Faceless, Memes

easyMovingPermits.com enables users to apply for and manage moving and street permits across multiple cities through our online platform. Customers discover our service through our website and find permits based on their location and needs, with transparent pricing that includes city fees and service charges. We charge customers per permit application using Stripe as our payment processor.

Generate a 60-second video with 1 prompt.

Drive More Sales With the Right TikTok Influencers. 250 Million profiles analyzed and 20 Million curated creators list.We now have a live Crawl with AI, the Ultra search Search by niche and location, access real engagement data, and launch high-converting campaigns with confidence. Start free. Cancel anytime.

We offer managed hosting for OpenClaw, the open-source AI agent framework. Our service provides instant deployment, zero-maintenance infrastructure, and multi-platform support, making personal AI assistants accessible to everyone without technical expertise.

South Asian wedding vendor directory with verified, crowdsourced reviews across 7 US metros for 17 vendor categories. 14k+ niche Instagram following. ~20 paying vendors, rest listed free. Includes an AI wedding photo album service (white-label, ~10 customers). Lightly operated; founders moving on for personal reasons. Upside: convert free vendors to paid, grow lead-gen. Proven business, ready to be taken to the next level. Includes domain, site, review database, socials, transition support.

Cut your Claude Code & Codex bill by ~50%. Headroom is a menu bar app that quietly optimizes all the inputs that Claude & Codex get. It trims prompt bloat, strips boilerplate and compresses documents without throwing anything away.

Shopify store leads. Reach every Shopify store. One CSV. $149.

Clairon AI helps businesses optimize their visibility on AI search engines (AEO/GEO). The platform tracks brand mentions across major LLMs, analyzes reference sources cited by AI engines, generates GEO-optimized articles, and transforms existing content into LinkedIn posts or GEO-ready formats. Clairon provides actionable insights to improve ranking across ChatGPT, Perplexity, Claude, and Gemini in 200+ countries.

My SaaS is for marketing to other SaaS companies.

Fully autonomous AI copywriter assistant

A productized platform for selling sworn translation services online.

Stellarch is a deterministic trading card game on Hive. Draft a 7-card team of Fighters plus a commander, then battle showcase bosses or live players. A seeded engine resolves every match, so any battle replays byte-for-byte from its seed. Set in a dark space-opera world with kinetic anime art: 290+ cards, 8 affinities, 15 alien races. Own, rent, and trade your cards, climb ranked seasons, and earn tradeable rewards. Log in with Hive Keychain. Closed alpha now at stellarch.io.

AI kanban coding tool SaaS for developers using Claude Code. RalphBlaster is a wildfront.co portfolio product.

Open source plug-n-play blog & newsletter management platform

Cartoonie is an iOS photo-to-cartoon app: upload a photo, pick a style, get a likeness that works for pets and every skin tone. 69 styles. Credit packs plus live $7.99/week and $49.99/year (early; not a sub-only product). 4.82★ from 92 US ratings. Includes cartoonie.ai (Rails site + API). SEO clicks 400 → 903 June to August. RevenueCat + new Stripe one-time checkout. Turnkey, under 1 hour a month.

Upload any PDF and let AI create flashcards in seconds. Import directly into Anki.

Lucanto is invoicing and expense management tool for freelancers and small businesses. Customer can handle invoices, expenses, and quotes in one flow. Our workspace allows also collaboration with accountant.

Virtual Staging in Seconds. Upload any room photo, stage it instantly, then fine-tune the result.

A privacy-focused alternative to Google Analytics. Currently targeting at from 100 EUR / month

Hyperfocal is a SaaS product that helps photographers generate Lightroom and Photoshop ACR presets as well as video LUTs to use on their photos and videos to kick start their editing workflow.

Otter is A/B testing software that measures revenue per variant, not just clicks. Run a split test and see conversion rate, average order value, and revenue per visitor side by side — so the change you ship is the one that actually grew the number your business runs on.

Multi-language Daily Office app for Anglicans to pray around the world.

Create football highlights in seconds

LevelCode is an AI-native code editor for macOS — open source (MIT, built on Code-OSS). Its agent plans, edits across files, runs commands, and verifies its own work behind approval gates: every edit lands as a reviewable Keep/Undo change, and every turn is a checkpoint you can rewind. Bring your own key (Claude, OpenAI, Ollama, any OpenAI-compatible) and run free and direct — or switch on the metered LevelCode Cloud gateway and pay each model's real cost, never a markup.

XreplyAI is a social media tool for solo founders and creators who need consistent presence without making it a full-time job. It schedules posts, generates content in your voice, and drafts replies across X, LinkedIn, Instagram, Threads, Facebook, YouTube, TikTok, Pinterest, Bluesky, Mastodon, Discord, Telegram, Tumblr, and Google Business. Upload your archive and it learns your voice — every post sounds like you wrote it.