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Startup to startup
#1 Daily WinnerHandpicked tools for every startup stage
What is Startup to startup?
Startup to startup is a curated directory of essential tools for every stage of your startup journey. Handpicked by experts, the directory helps founders, marketers, developers, and product teams discover the right tools to launch faster and grow smarter.
Browse categories like Marketing, Sales, Development, and Productivity, or explore collections based on startup stage. Each listing includes a short description, tags, and links to the tool's website. You can also submit your own product to be featured.
Stay updated with the latest additions by subscribing to the newsletter, and connect with other startups through the community. Whether you're looking for SEO tools, email services, design resources, or analytics platforms, Startup to startup has you covered.
How to use Startup to startup
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Browse the directory to discover tools
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Use search or filter by category to find relevant tools
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Read descriptions and visit tool websites
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Sign up for the newsletter to receive updates
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Submit your product to get listed
Key features
Curated directory of tools for every startup stage
Handpicked by experts for quality and relevance
Search and filter by categories and tags
Submit your own product for listing
Newsletter with the latest tool updates
Use cases
- A founder finds SEO tools like kholaseo for content workflow
- A startup secures temporary email with Best Temp Mail
- A developer discovers free website templates from ATemplate
- A marketer finds Maqui for performance marketing analytics
- A freelancer tracks subscriptions using Costloop
Best for
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Browse category →SetBit
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Days Launch
freeDays Launch is a vibrant product discovery platform that helps you find and share the latest tech offerings. From website templates and SaaS apps to analytics tools and marketing services, it brings daily updates on handpicked products in one place. Whether you’re building, launching, or scaling your project, Days Launch keeps you inspired with weekly, monthly, and yearly curated lists. Join the community, submit your own launch, and stay in the loop with our newsletter.
MarsX
freeAttention all developers, entrepreneurs, and tech enthusiasts: Are you ready to revolutionize the world of software development? With MarsX, you can create high-quality apps quickly and easily, without the need to reinvent the wheel or spend hours writing complex code. Our low-code platform allows you to focus on the unique aspects of your projects, while our subscription-based model provides access to all the micro apps built by thousands of developers. But that's not all! By building micro-apps and publishing them on our marketplace, you can generate a sustainable revenue stream and take your career to the next level. With MarsX, you can create MicroApps instead of building yet another SAAS with less hustle and no need to market, and be paid by thousands of users. Join us and unlock the potential of a devtool that combines AI+NoCode+ProCode on top of MicroApps🚀 Member of marsx.dev family Got a question or wanna say hi? I’m on Twitter: @johnrushx
diffray
freediffray is a multi-agent AI code review tool that moves beyond single-model guessing to provide intelligent, context-aware feedback. Instead of generic suggestions, diffray deploys 30+ specialized agents that investigate your code across security, performance, bugs, and quality dimensions. The system understands your full codebase, catching issues that traditional linters and single-LLM tools miss: duplicate utilities, type drift, atomic transaction bugs, concurrency issues, and meaningless tests. With 87% fewer false positives and a 98% developer action rate, teams see focused feedback they actually trust and act on. Setup takes minutes—connect your GitHub account, install the app, and configure your guidelines. diffray integrates with GitHub, GitLab, and Bitbucket, and is free forever for open source projects. Pricing starts at $10/month for solo developers and scales with team size.
mavic.ai
freemiumMavic.ai is your brand’s AI marketing partner. Unlike generic AI tools, Mavic focuses on brand-specific execution—creating campaign strategies, messaging, and designs tailored to your industry. Mavic.ai offers three capabilities that help brand marketers take ideas to fully formed campaigns in minutes. One, Mavic.ai helps brand builders take tip-of-the-tongue ideas and convert them into multiple campaign-ready themes. Two, mavic.ai converts the shortlisted themes into content pieces - blogs, articles, press releases, reels, videos, images and product mockups. Three, mavic.ai integrates every major social media platform, allowing brand builders to schedule and publish content across these platforms from one single dashboard without logging in and out again and again. Additionally, mavic.ai integrates competitor analytics so you can stay ahead of the trend every time you post. Stay on-brand, on-trend and on-plan with mavic!
MakeWPFast
freeFree WordPress plugin performance database. Check any plugin impact on load time, database queries, and memory before installing. Includes slow query analysis, nginx optimization, and server configuration guides. Built by a WordPress developer with 10+ years of experience.
Frequently asked questions about Startup to startup
Common questions to help you decide if Startup to startup is right for you.