
lemlist
Instantly.ai
Apollo.io
Reply.io
Mailshake
Hunter.io
SmartLead.ai
Snov.io
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
lemlist is the #1-ranked sales engagement platform on G2, used by 20,000+ B2B companies to run multichannel outbound at scale. It covers the full outbound workflow in a single tool: a 600M+ contact database, waterfall enrichment (80% email find rate across 8 providers), multichannel sequences (email, LinkedIn, WhatsApp, phone), AI-powered personalization, a complete deliverability stack, unified inbox, and native CRM integrations with HubSpot, Salesforce, and Pipedrive. Founded in 2018, bootstrapped to $50M ARR and profitable.
lemlist
SourceForgeInstantly.ai - Build your own infinitely scalable cold email outreach system with Instantly.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Apollo.io - Apolloโs predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Reply.io - Reply.io is an AI-driven sales engagement platform that automates cold outreach through unlimited mailboxes, converts website traffic into booked meetings with AI Chat, and empowers your team to streamline the entire sales process with AI SDRs.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.