Firsto

SetBit gives you feature flags without the enterprise pricing or complexity. Toggle features on and off instantly, roll out to a percentage of users, run A/B experiments — all without redeploying. SDKs for JavaScript, Python, Ruby, Go, and PHP. Free tier to start, $49/month when you're ready to scale. No seat-based pricing, no sales calls, no BS. Just feature flags that work.

The SubmitSaaS Domain Rating Calculator is a free SEO tool that estimates how much your Ahrefs Domain Rating (DR) will increase by submitting your SaaS or startup to online directories. By selecting from a curated database of over 700 directories and setting your current DR, you can see projected backlink growth in real time. The calculator lets you filter directories by DoFollow or NoFollow links, sort by directory DR, and search by category—including AI, community, launchpad, and software directories. A live selection summary shows the number of chosen sites and a breakdown of DoFollow versus NoFollow backlinks, giving you a clear picture of your potential link building impact. Built on typical DR growth patterns observed from hundreds of SaaS submissions, this tool provides an approximation to help you plan your directory submission strategy and prioritize high-DR sites for maximum effect.

Days 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.

Websockets, powered by Cloudflare A Pusher-compatible WebSocket service. ~70% smaller bill. No fan-out fees. Built on Cloudflare. Close to every user. Vask runs on Cloudflare's edge network present in 330+ cities. Your subscribers connect to the closest node by default. <50ms P99 message latency within region 330+ Cloudflare PoPs globally distributed

A calm, human-first space where books lead to real friendships—and your reading life finally feels organized, meaningful, and alive. A reader’s best moments happen when discovery, memory, and community meet—when you find a book that fits, remember what it changed in you, and share that feeling with others. ReadIt Сlub is built to protect those moments with a personal library you can trust and a community designed for authenticity. Track books across want-to-read, reading, and finished, organize your shelves with precision, and keep your catalog accessible everywhere. Recommendations combine human insight with intelligent personalization that learns your tastes, themes, and moods, helping you choose confidently. Your feed is defined by your choices, not by hidden incentives; rankings are transparent and explainable; and moderation is led by real community managers in the open, with clear accountability. ReadIt.club helps book clubs stay organized so discussions remain consistent and welcoming. Localized into many languages for a global audience, ReadIt Сlub invites readers everywhere to discover, track, discuss, and connect through the power of books.

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.