Alternatives

Products that do what Sentry WMS does

Free, open-source warehouse management for e-commerce

1
Agent 37▲400
Your own OpenClaw instance for $3.99/mo
Mar 2026 · agent37.com
2
Donely ▲220
Your own OpenClaw instance for $0/mo
Mar 2026 · donely.ai
3
box▲237
Simple computers for agent w/ full VMs
Jul 2026 · box.ascii.dev
4
Maillayer▲462
Send email campaigns via Amazon SES with NoCode
2024
5
1mbsite v2▲177
Free static hosting for websites 1 megabyte and under.
2019
6AS
A simple storage pricing calculator for AWS▲169
2020 · duckbillgroup.com
7
Agent 37 Cloud▲318
Give every customer their own Hermes or OpenClaw agent
Jun 2026 · agent37.com
8
Backendless Ecommerce Platform▲147
Launch a shop with 1-line of code, no CMS required
2021
9
ValidateFast▲126
Launch better & faster, forever
2024
10
Payability▲84
A financial toolkit for eCommerce sellers
2021
11
Engati for Shopify▲78
Grow your Shopify business with omnichannel CX
2022
12
XP One▲58
Replace Waalaxy, Lemlist, LGM, Apollo, Hunter & PB → $29/mo
Apr 2026
13BA
Built an email marketing platform after paying $230/month▲44
Spent the last month building Fertit - basically a newsletter manager but you bring your own SMTP and skip the DevOps nightmare. All the features (subscriber management, admin dashboard, custom preferences) without the infrastructure markup. The math that broke me: Mailchimp: $230/month for 15k contacts My solution: $10/month infrastructure + $10 SendGrid = unlimited What I learned: The "enterprise" features are mostly database operations with SMTP APIs. But the 3 weeks of Go/PostgreSQL/Redis setup explains why people just pay ConvertKit $300/month. Here's the thing:…
2025 · fertit.com
14
APMTSales inventory platform▲2
Free crosslisting + storefront for resellers and dealers
Apr 2026 · apmtsales.com
15
Open Sky Commerce▲7
Self-hosted Next.js e-commerce for fast client delivery
Jun 2026 · commerce.openskydev.com
16
TradeFlow Total Business Management ▲4
Trade Business solution, video consult, CRM, Doc, inv est
Jul 2026 · wiesnerenterprisesnz.com
17
trustyourinbox▲8
DMARC Monitoring For Everyone Who Isn't A Security Team
Jul 2026 · trustyourinbox.com
18
Lumen▲6
MT5 trading journal — pay once, 100% local, no subscription
Jun 2026 · candelialabs.com
19
Cold Mail Server▲12
Managed email infrastructure for your cold outreach
Jul 2026 · coldmailserver.com
20
Helios▲5
Replace 5 freelance tools with one. Everything connected.
May 2026 · helios.today
21
WMS 360▲2
Manage orders & inventory across eBay, Shopify & more
May 2026 · wms360.co.uk
22
FranklyMail▲9
Email on your own domain. $9 a year, unlimited mailboxes
4d ago · franklymail.com
23
FlowServIQ▲4
CMMS + property management. Flat pricing, no per-usr fees.
Jun 2026 · flowserviq.com
24BM
BillGist – Monitor AWS costs from your inbox▲8
2014 · billgist.com

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