Sites using Letterbook
AI-native customer support platform that embeds a chat widget on customer websites.
Found via: StackScope Discovery (Indie) 1
Letterbook has been detected on a single launch we've crawled, Letterbook — AI-Native Customer Support, on August 18, 2026.
It's most commonly paired with Cloudflare DNS, Cloudflare, and Next.js.
Share of new sites using Letterbook
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Support leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | – |
Zendesk
|
0.05% | 61.98% |
| #2 | ▼1 |
Help Scout
|
0.01% | 7.58% |
| #3 | ▲1 |
Forethought
|
<0.01% | 6.19% |
| #4 | ▲5 | Freshdesk | <0.01% | 4.17% |
| #5 | ▲4 |
Gorgias
|
<0.01% | 4.10% |
| … | ||||
| #87 |
Letterbook
Current page
|
<0.01% | 0.03% | |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Support tool. All 108 in Support →
Often used with
| Tool | Sites |
|---|---|
Cloudflare DNS
|
1 |
Cloudflare
|
1 |
Next.js
|
1 |
React
|
1 |
Namecheap Email Forwarding
|
1 |
Tools most often detected on the same sites as Letterbook.
Recent launches we can show
1 of the 1 sites using Letterbook are product launches we list individually.