SponsorCal

What it does

Booking and payment infrastructure for newsletter creators. Sponsors book, pay, and submit assets before your deadline. You review and approve.

• 
  Booker by Paved2023 · ▲116

  Automate newsletter sponsorships directly from your website

• 
  Sponsor This Newsletter2022 · ▲707

  100+ newsletters ready to promote your product

• 
  Plug & Play by Swapstack2021 · ▲300

  Pre-approved affiliate deals for all newsletter creators

• 
  Paid newsletters by Revue2018 · ▲526

  Build a newsletter that pays 💌💰

• 
  Google Sheets Ad Booking System2022 · ▲173

  Book more sponsors with self-serve ad-booking system, 0% fee

• 
  Paved Ad Network2022 · ▲298

  Put your newsletter advertising on autopilot

• 
  Browzer▲426

  Put your technical content on autopilot

  Growth · 14d ago · trybrowzer.com

• 
  AstraPixels▲267

  ​​A pixel-art solar system at its real current positions.​

  Growth · 30d ago · astrapixels.com

• 
  Lightfield▲891

  AI-native CRM that builds itself and does work for you

  AI · Mar 2026 · lightfield.app

• 
  Tobira.ai▲730

  A network where AI agents find deals for their humans

  AI · Mar 2026 · tobira.ai

• 
  Claude Import Memory▲725

  Switch from ChatGPT to Claude with import memory feature

  AI · Mar 2026 · claude.com

• 
  Littlebird▲712

  The AI assistant that already knows your work

  AI · Mar 2026 · littlebird.ai

• 
  Viktor.com▲701

  Your AI Coworker that proactively executes tasks

  AI · Mar 2026 · viktor.com

• 
  Jupid▲664

  File your taxes with Claude Code

  Commerce · Mar 2026 · jupid.com