Who replaced whose MRR

Cancel the vendor.
Show the receipts.

Teams that dropped a vendor bill for something they run themselves. Net saved is the old bill minus what the replacement costs to run, when that's disclosed. Claimed stories rank higher.

FeaturedReplaced

37signals

Old billAWS
$267K
NowOwn Dell servers in a colo, run with Kamal
$120K
Net saved$147K/mo
Proof
Checked
Replaced
2024-10-01
Proof checked

Thank you for not renewing

FeaturedReplaced

Marc Lou

Old billBeehiiv
$83–$333
NowMailCheap, own open source newsletter platform
$25
Net saved$58–$308/mo
Proof
Checked
Replaced
2026-10-01
Proof checked

Thank you for not renewing

FeaturedReplaced

Fivetran

Old billStatuspage
$5,417
NowOwn status page built with AI coding agents
$1,033–$2,083
Net saved$3,333–$4,383/mo
Proof
Checked
Replaced
2026-08-07
Proof checked

Thank you for not renewing

Teams that replaced a vendor in the last 30 days.

#CompanyProofNet saved /mo
1
NullAlphaGitHub Actions replaced with Autoscaling self-hosted runners on Kubernetes
Unclaimed, unverified
Unclaimed, unverified
$11.5K/mo
2
HarmonicGitHub Actions replaced with Self-hosted CI runners on GKE
Unclaimed, unverified
Unclaimed, unverified
$3,167/mo
3
GuruSupHubSpot replaced with Own CRM data layer run through Claude and MCP
Unclaimed, unverified
Unclaimed, unverified
$2,200/mo
4
SegmentStreamHubSpot replaced with Own AI-native CRM
$500/mo
5
InstaboxReevo replaced with Self-hosted open source CRM on InstaCloud
$485/mo
6
VokalGitHub Actions replaced with Self-hosted runners
Unclaimed, unverified
Unclaimed, unverified
$500/mo
7
SkyssetHeroku replaced with Self-managed servers
Unclaimed, unverified
Unclaimed, unverified
$496/mo
8
Robert of PhiladelphiaSlack replaced with TeamHub, own open source team chat
Unclaimed, unverified
Unclaimed, unverified
$400/mo
9
Deniz SancarGoHighLevel replaced with One internal tool built with Claude Code
Unclaimed, unverified
Unclaimed, unverified
$391/mo
10
Dheer GuptaGitHub Actions replaced with Self-hosted runner on a spare Mac mini
Unclaimed, unverified
Unclaimed, unverified
$240–$300/mo
11
DaaspSmartlead replaced with Own cold mailer built with Claude
$100/mo
12
Kamil BaranekAhrefs replaced with Own SEO tool
Unclaimed, unverified
Unclaimed, unverified
$195/mo
13
SoraiaResend replaced with Self-hosted Listmonk on Coolify with AWS
$88/mo
14
Sandipan KunduResend replaced with Own email delivery on AWS SES
$85/mo
15
HostiFiShopify replaced with Own merch store
$39/mo
16
DataBullDataFast replaced with DataBull, own revenue attribution analytics
$39/mo
17
Sankalp SinhaDescript replaced with Own Claude-driven video editor
$29/mo
18
Kamil BaranekBrevo replaced with Own email tool
Unclaimed, unverified
Unclaimed, unverified
$24/mo
19
Wenzel SrbGrammarly replaced with Own vibe-coded Grammarly replacement
$12/mo

Most replaced, last 30 days

VendorTeamsReported old bills /mo
GitHub Actions4$18.1K–$18.2K
HubSpot2$2,700
Resend2$178