Open Source Products & Repositories

AllCOSSMIT / ApacheSelf-HostedMCP & Agent

PeriodAll timeCategoryCold Email & DeliverabilityLicenseMoreClearSortGitHub Stars17 projects

Cold Email & DeliverabilityCommercial competitors →Market trends →Hero & design styles →

Open-source projects · GitHub Stars

Project	Tagline	License & Stack	Stars	Visits	Commercial	Actions
MMailOptimalMCPjs-cookie/js-cookieFrom leads to replies, cold email done right	From leads to replies, cold email done right	MIT·JavaScript	622	<5K	$79/mo
WWarmblyCOSSwarmbly/warmblyThe largest open-source cold email platform.	The largest open-source cold email platform.	Apache·Go	77	5.7K	$29/mo
SSalesBlinkMCPopen-salesblink/skillLet Your AI Agent Automate Cold Email Outreach	Let Your AI Agent Automate Cold Email Outreach	—	2	32.2K	$29/mo
FFirstSalesMCPfirstsalesio/firstsales-skillsSend cold email at scale. Let AI agents do the work.	Send cold email at scale. Let AI agents do the work.	—	GitHub	41.6K	$29/mo
WWinnrMCPwinnr-app/winnr-mcpCold Email Infrastructure	Cold Email Infrastructure	—	GitHub	<5K	$69/mo
EEmaReachCOSSritik-prog/emareachEmail marketing isn’t dead.The way you’re doing it is.	Email marketing isn’t dead.The way you’re doing it is.	—	GitHub	<5K	$24/mo
NNorbelysMCPeusoumaxi/norbelysCold emailthat getsreplies.	Cold emailthat getsreplies.	—	GitHub	<5K	$20/mo
QQuickProspMCPquickprosp/quickprosp-mcp-serverCold email that actually lands and writes itself.	Cold email that actually lands and writes itself.	—	GitHub	<5K	$29/mo
SSpam Checkido50/WWW-PostmarkInstantly check the spam score of your email messages	Instantly check the spam score of your email messages	—	GitHub	<5K	—
WWebKarigarCOSShackhaveli/WebkarigarStop pitching. Start showing.	Stop pitching. Start showing.	—	GitHub	<5K	—
FFlyHedwigMCPgabrilator/hedwigYour B2B email campaigns, free and simplified.	Your B2B email campaigns, free and simplified.	—	GitHub	<5K	—
CCleanMailsMCPcodesensei321-ship-it/Cleanmails-Open-SourceCold email infrastructure you actually own	Cold email infrastructure you actually own	—	GitHub	<5K	—
IInboxJoyMCPinboxjoy/inboxjoyStupidly Simple Email Outreach	Stupidly Simple Email Outreach	—	GitHub	<5K	$79/mo
WWebKarigarCOSShackhaveli/WebkarigarStop pitching.	Stop pitching.	—	GitHub	<5K	—
VVerdictMCPomm9846/verdictmake cold mailing great again	make cold mailing great again	—	GitHub	<5K	$59/mo
GGalactic OutreachMCPgalacticoutreach/GalacticThe workflow around your outbound email.	The workflow around your outbound email.	—	GitHub	<5K	$29/mo
DDensheesCOSSWebeasetech/densheesCold email that actually gets replies	Cold email that actually gets replies	—	GitHub	<5K	$12/mo