PR X VH - On demand PR campaigns for free
Promotehour - Free list of 1100+ media outlets to pitch your startup
Press Hunt - Press Hunt saves you hundreds of hours by aggregating data on almost 400,000 journalists and reporters in one place, complete with their writing interests and contact info.
Publicize Zero - Opening PR to the 99%
Submit Juice - Free and curated list of startup directories to promote your new startup. We manually post your startup to more than 150+ relevant directories and blogs to help your startup get discovered.
Startup Stash - A curated directory of 400 resources & tools for startups