About the startup
🛠️ Introducing OpenToolBox – The Ultimate Developer Toolbox In a web cluttered with ad-heavy, slow, and data-hungry tool sites, OpenToolBox stands apart. We believe that formatting JSON, generating passwords, or converting images shouldn't require sending your sensitive data to a remote server. Why OpenToolBox? 🔒 Privacy First – Every single tool runs 100% client-side. Your code, images, passwords, and documents NEVER leave your browser. Zero server processing. Zero data collection. ⚡ Blazing Fast – Built on Next.js 16, React 19, and Tailwind CSS 4 for instant page loads and seamless transitions. 💰 Completely Free – No registration, no paywalls, no limits. All tools are free forever, supported by privacy-respecting ads. 📂 Comprehensive – 11 categories covering AI-powered media enhancement (Video Upscaler, Watermark Remover, Photo Enhancer), professional business documents (Invoice Generator, Quote Builder, Receipt Generator), and creative tools (Meme Generator, Social Quote Creator, Text to Handwriting). 🎯 Built for Professionals – Whether you're a developer debugging API responses, a designer generating CSS gradients, or a freelancer creating invoices – we've got you covered. Open Source & Community-Driven Licensed under AGPL-3.0. Contributions welcome on GitHub!
Alternatives to OpenToolBox
Browse category →Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.
| Product |
|---|
Obfuscator JS SevenJavaScript and HTML Tools |
devone.space80+ Essential Developer Tools — All in One Place |
BruhGrow ToolsAll your tools, one place. |
Odyc.jsCraft compact story games with JavaScript |
HandfontedTransform your handwriting into a personalized font. |
AI Interview Copilot (Private Repo)Secure GitHub repo, ready in under 2 minutes |
Fusionto keep the: - Same length (around 4 words) - Same style (modern, slightly informal, techCode |
FormlioThe modern way to create and share proposals |
More in Development & IT
Browse category →Selected by category and available use-case details. A topic match does not establish equivalent features.
| Product |
|---|
Repo Architect AITransform code into professional GitHub repositories |
SmolrFree image compression and conversion for macOS |
SeazonifyStunning visual and audio effects for your website |
App PassOne subscription for all premium browser extensions |
Authenticator appTwo-factor authentication in Google Chrome browser |
ConvertFilesProPrivate and instant file converter for over 120 formats |
Recently added in Development & IT
Browse category →Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.
| Product |
|---|
Foreman IntelligenceWe turn the cameras you already have into alerts, evidence a |
Real Estate Location Intelligence & POI DataMaps, POI data & location APIs for real estate platforms |
What to VibeDaily viral app ideas with full build prompts |
TechEUCTechEUC shares IT tutorials and solutions for Intune, SCCM |
Explore expertise in Development & IT
See all →Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.
| Profile |
|---|
Robert C. MartinAmerican software consultant (b. 1952) |
Florin PopProgrammer from Romania (Freelance) |
Nicholas C. ZakasAmerican computer scientist |
Media about Development & IT
See all →Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.
| Show |
|---|
Tech World With Milan NewsletterNewsletter · Dr Milan Milanović |
Phil's Industrial NotesNewsletter |
DevOpsCube NewsletterNewsletter |
Founder stories from Development & IT startups
See all →Retold founder accounts from startups in the same category, each linked to the original.
| Story |
|---|
Tailwind UI's $2 million was five months of a commercial product, not a URL typoAdam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis |
ScreenshotOne took three years to $10k MRR and eight months to $20kDmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him. |
AJ said Carrd was about $1.2M ARR and he spends time on the product, not campaignsAJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR |
WP Engine passed $100M ARR after Cohen made thirty people say they would pay $49Jason Cohen says he did not start WP Engine until 30 people said they will pay $49 a month, 20 of them did, and in January 2018 he reported the company had passed $100 million ARR and closed $250 million from Silver Lake |
Browse Development & IT categories
See all →Subcategories in the same part of the directory, with the number of listed products.
| Category |
|---|
Code editors & coding assistants2,564 listed products |
Website & app builders1,722 listed products |
Cloud infrastructure & DevOps1,211 listed products |
Monitoring & IT management647 listed products |
Version control & code review548 listed products |
Software testing & QA443 listed products |
APIs & backend platforms281 listed products |
Blockchain development212 listed products |