Who is CrossLetter for?

CrossLetter is a B2B product built for newsletter publishers and sponsors.

Is CrossLetter still maintained?

Unverified. CrossLetter has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who develops CrossLetter?

CrossLetter is developed by FS Dev.

Back to the index

CrossLetter

Name: CrossLetter
Author: FS Dev

crossletter.comNewsletters & publishing

CrossLetter is a web platform where newsletter publishers can discover compatible newsletters, arrange cross-promotions, and find sponsorship opportunities. It also provides newsletter listings, collections, and tools for building partnerships and growing email audiences.

WebCloud-managed

Visit crossletter.com

Overview

8 features

In the Newsletters & publishing space, CrossLetter takes a focused approach. It focuses on finding relevant newsletter cross-promotion partners and sponsorship opportunities without managing relationships across separate channels. It is built as a B2B product for newsletter publishers and sponsors. It runs on the web.

FS Dev builds and maintains CrossLetter. Key capabilities include Newsletter Discovery, Audience Matching, and cross-Promotion.

Summary written by a language model from the project’s public pages.

Newsletter Discovery
Audience Matching
Cross-Promotion
Sponsorship Listings
Newsletter Collections
Featured Listings
Email Tools
Partner Profiles

Built with & integrations

Framework

Next.js

Hosting

Vercel

Database

Supabase

Runs on

BrowserCloud-managed

Detected from

Next.js: x-powered-by header · /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header
Supabase: a-z0-9 in the HTML

Trust & compliance

Verified signals

HTTPSPrivacy Policy

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed31 Aug · 09:01 UTC
Crossletter verified against its public source
Source: PulseGate · Open

Frequently asked questions about CrossLetter

What does CrossLetter do?: CrossLetter focuses on finding relevant newsletter cross-promotion partners and sponsorship opportunities without managing relationships across separate channels. It is catalogued under Newsletters & publishing on PulseGate.
Who is CrossLetter for?: CrossLetter is a B2B product built for newsletter publishers and sponsors.
What platforms does CrossLetter run on?: CrossLetter runs on the web.
Is CrossLetter still maintained?: Unverified. CrossLetter has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops CrossLetter?: CrossLetter is developed by FS Dev.

At a glance

Pricing: Paid · pricing page detected
Platforms: Web
Languages: English
First seen: 31 Aug 2026
Built for: newsletter publishers and sponsors
Model: B2B
Solves: Finding relevant newsletter cross-promotion partners and sponsorship opportunities without managing relationships across separate channels.

Developer

FS Dev

Index record

Indexed: 31 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 31 Aug 2026

Identity audit (13)

Slug: crossletter-crossletter-com
Lifecycle state recorded: 31 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 31 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 31 Aug 2026
Canonical URL: https://crossletter.com/

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