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Koldemails is a free, no-signup toolkit for anyone doing cold email or outbound GTM. It includes a bulk email verifier, a spam-word checker with one-click fixes, a spintax generator, a cold email cost & ROI calculator, a domain name generator with live availability, a domain age & health checker, a competitor infrastructure spy, and a cold email generator — plus free, ready-to-use lead lists by vertical (Y Combinator, law firms, e-commerce/Shopify). Every tool runs entirely in the browser, so your lists and emails are never uploaded to a server. Unlike most cold email tools, there is no signup, no credit limit, and no paywall — it is genuinely free.

For Growth Hackers Turn dead zones on your website into conversion opportunities. Place dynamic content previews strategically in high-traffic areas to maximize subscriber and follower growth without aggressive pop-ups. For Webmasters Easy implementation with a single line of code. Place content showcases anywhere on your site - footer, corners, sign-up forms, or checkout pages. Works seamlessly with any website platform. For Email Marketers Boost newsletter signup rates by showing what subscribers actually get. Display your latest email content right in signup forms, proving your newsletter's value before visitors commit. For Social Media Marketers Stop sending visitors away to check your social content. Showcase your latest posts directly on your website, turning casual browsers into engaged followers who can see your content quality firsthand.

QR Code Tracking made simple for SMB and bigger structures

Onro is a B2B SaaS startup in the field of courier delivery that has been launched to automate the processes of courier businesses. Its pricing model is pay-as-you-go and customers pay as much as they use. It is developed as bootstrap and is developed by an expert team with 5 years of experience in transportation software development. Onro's customers are usually food deliveries, restaurants, online stores, grocery stores, retailers, on-demand delivery companies, same-day, and next-day courier companies.