SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Electron - Build cross platform desktop apps with web technologies
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Tuemilio - Email forms and referral waiting lists for indie makers
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
JumpStart Toolkit - A pack of tools and goodies to jumpstart your startup