Lightweight WordPress plugins that stay out of the way.
Four free plugins we built for the websites we make: forms, reliable email, SEO and maintenance mode. Small, fast and complete, with Pro add-ons coming for sites that need more.
- Free versions stay complete
- No tracking, no ads in your dashboard
- GPL licensed, yours to keep
Four plugins. One job each, done well.
Each one does a single job without slowing your site down. Use one or all four: they share the same clean admin and work well together.
StackMime Forms
Contact, quote and booking forms that never lose a lead.
- Form builder with live preview and templates
- Every entry saved before any email is sent
- Spam stopped quietly, without puzzles
StackMime Mail
Send WordPress email through Gmail or any SMTP service.
- Gmail set up with an App Password, no Google Cloud project
- Presets for Microsoft 365, Brevo, Amazon SES and more
- An email log that never stores message contents
StackMime SEO
Titles, schema, redirects and a 404 log, without the bloat.
- Google preview with character counts
- 301 redirects with destination checks
- Two-language sites with hreflang
StackMime Maintenance
Maintenance and coming soon pages that keep your rankings.
- A real 503 status with Retry-After
- Checks what a logged-out visitor really gets
- Clears page caches when you switch it on or off
Free does the job. Pro adds the extras.
The free plugins are complete and will stay that way. Each Pro add-on is a separate plugin that builds on its free version, for sites that need more.
Forms
Free includes
- Form builder, 6 templates, 12 field types
- Entries inbox with CSV export
- Email alerts and auto-reply
Pro adds Coming soon
- Multi-step forms
- Conditional fields
- CRM and Google Sheets integrations
- Scheduled exports and date ranges
Free includes
- Gmail and 12 SMTP presets
- One-click test email
- A 90-day email log and failure notices
Pro adds Coming soon
- Resend failed emails in one click
- Full message content, export and unlimited history
- A backup connection
- Failure alerts by Slack or SMS
SEO
Free includes
- Titles, descriptions and schema
- Redirects and a 404 log
- hreflang and consent mode
Pro adds Coming soon
- A site move kit: map old addresses from your old sitemap
- Pattern rules and redirect groups
- Broken-link checks across the site
- A weekly 404 and redirect report
Maintenance
Free includes
- Maintenance (503) and coming soon
- Visitor check and cache clearing
- Second language and access control
Pro adds Coming soon
- Scheduled start and end
- A countdown timer
- IP allow-list and secret preview links
- More page designs
Every Pro add-on includes priority email support. Nothing in a free plugin is ever locked or taken away.
Plugins you can trust on a client’s site.
We use these plugins on the websites we build, so they’re made to the standard we’d want for our own clients.
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The free version stays complete
No features held back to push an upgrade, and nothing taken away later.
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No tracking, no nagging
No usage tracking, no ads across your dashboard and no pop-ups. Notes about Pro appear only on the plugin’s own screens and its row in the Plugins list.
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Light by design
No jQuery and no page builder. Scripts and styles load only on the pages that need them.
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Card details never reach us
Paddle, our reseller, runs checkout and payment as merchant of record, including sales tax and invoices.
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14 days to change your mind
If a Pro add-on isn’t right for you, ask for a refund within 14 days of buying.
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Ready for two languages
Translation-ready and right-to-left friendly. We run them on our own English and Arabic site.
Simple yearly prices. Every update included.
Every Pro add-on comes for 1, 5 or unlimited sites. Or take all four with StackMime All Pro and pay less than buying them one by one.
| Add-on | 1 site | 5 sites | Unlimited sites |
|---|---|---|---|
| Forms Pro | $29 | $69 | $139 |
| Mail Pro | $19 | $49 | $89 |
| SEO Pro | $19 | $49 | $89 |
| Maintenance Pro | $9 | $29 | $59 |
| StackMime All ProAll four add-ons, one licence | $69 | $139 | $239 |
Prices are in US dollars per year, and renew at the same price. Local tax is added at checkout where it applies.
- All Pro · 1 site All four Pro add-ons on your own business website. $69/ year Save $7 against buying separately Per year · on sale soon
- All Pro · 5 sites All four add-ons for freelancers and small studios. $139/ year Save $57 against buying separately Per year · on sale soon
- All Pro · Unlimited All four add-ons for agencies with many client sites. $239/ year Save $137 against buying separately Per year · on sale soon
Hear the moment Pro goes on sale
Pick the add-ons you’re interested in, or all four. We’ll send one email when they’re on sale. Nothing else.
- Updates and support for the licence term
- Local and staging sites don't count
- Keys, downloads and invoices in your account
- 14 days to ask for a refund
From checkout to installed, in four steps.
When Pro goes on sale, buying is simple, and your payment is handled by a specialist.
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Choose your licence
Pick the add-on and how many sites you need, on its product page.
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Pay securely with Paddle
Checkout opens in Paddle’s secure window. Paddle takes payment, handles tax and sends your invoice.
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Get your key by email
Once your payment is confirmed, we email your licence key with a link to your account.
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Download and activate
Download the add-on from your account, upload it in WordPress and paste your key.
Plugins, answered.
Still unsure? Email info@stackmime.com and a person replies within one working day.
Message us on WhatsAppYes. They’re complete, GPL-licensed plugins with no time limits and no locked features. Use them on as many sites as you like.
WordPress.org reviews new plugins one at a time, and ours are in that queue. Until a plugin is listed there, you can download the same zip here. Once it’s listed, updates arrive in your WordPress dashboard as usual.
Free covers what most sites need. Pro add-ons add extras for busier sites, such as multi-step forms, a backup email connection or scheduled maintenance, plus priority email support.
For one site, Forms Pro is $29 a year, Mail Pro and SEO Pro are $19, and Maintenance Pro is $9. StackMime All Pro, with all four add-ons, is $69 a year. Prices are in US dollars and renew at the same price unless we give you 30 days’ notice; the full table is above. Pro goes on sale soon: join the list and we’ll email you once.
Paddle. They are our reseller and merchant of record: they run checkout, take payment, handle sales tax and VAT, and issue your invoice. Card details never reach our servers.
The add-on keeps working. Updates and support stop until you renew.
No. Addresses such as localhost, .local, .test and staging. subdomains don’t count, so you can test freely.
Yes, within 14 days of buying. The plugin terms explain how.
Need something custom?
We design and build custom WordPress plugins, integrations and websites. Tell us what you need and we’ll reply within one working day, with questions or a time for a short call.
- Custom plugins and features
- Integrations with CRMs, payments and APIs
- A clear quote within 48 hours of the call