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Sitelok - Website Membership Software Online

V6.8 released 26th January 2024 See version History

What is Sitelok?

Sitelok is a powerful PHP / MySQL based membership software script that allows you to password protect pages to create members only areas on your website. Its easy to use and no PHP knowledge is required. Users can be members of one or more usergroups so you can control who has access to each page. Everything that a user sees such as login or registration forms can be integrated into your site to match perfectly without using messy looking templates or ugly browser login boxes.

Add users in multiple ways

Adding users to your site is easy with our membership software. Depending on your site you can have users join by free registration, by using payment buttons for paid sites, by adding them manually via the Sitelok control panel or even programmatically using the Sitelok API. No matter how they join each user can be a member of one or more usergroups each with their own expiry date so that you have full control over what they can access and for how long.

Securing pages is easy

Using a simple code snippet pasted into the top of each page you can control which usergroup(s) have access. For example the following snippet would only allow users of the GOLD usergroup access.
example Sitelok snippet
You can even setup pages to allow visitor access while making parts of the page visible only to members. Thats a great way to tempt visitors with content so that they are more likely to join to get full access. Using simple snippets you have full control of the page or parts of the page based on usergroup or even specific users. Download links for files stored locally or on Amazon S3 can be fully secured too. You can display the users name, username, email or any of the other 50 custom fields in the page so welcoming members by name is easy.

Sitelok has a built in snippet generator so there is no need to write any code.

Control panel

Sitelok has an easy to use control panel where you can manage users, view access logs, create backups, import and export users as well as search for, filter and select users. A powerful email system lets you send personalised template based emails to any number of users based on usergroup or any other criteria. Built in form designers make it easy to create responsive login, registration, update profile and contact forms ready to paste in your pages.


A wide range of plugins are available to extend the feature set of Sitelok and to connect to third party systems. These include Social login and signup, reCaptcha, Amazon SES, Paypal, Stripe, Quick Messaging, Credits, Vanilla Forums, Mailchimp, Follow on email, Zendesk, Aweber, 2FA login, Zapier, Integrately & others. Many of the plugins are free of charge for licensed users. You can see further details and download the manuals for each one on our plugins page.
Checkout our 2FA plugin which adds an extra login layer using Authy or Google Authenticator apps.

Admin control panel screenshots

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Control panel

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Form designer

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Template based email editor

Overview Screencast

If you prefer click here to view this video in YouTube (captions available).

Try out the control panel demo

To access the demo Sitelok control panel click here and login as admin / letmein

For security reasons we have disabled the ability to modify any user details or to send emails etc but it should give you the feel for how it works. You may find it helpful to download the manual also.

In the demo we have left the passwords in plain text but you can of course store them using extremely secure hashes.

To return to this page just click the logout link in the demo control panel main page.
Sitelok reviews on Hotscripts

I couldn't be happier with Sitelok and its extensive manual. Support doesn't get any better. This may be the best value for the money I've ever spent.

see more testimonials

Frank E

It is a pleasure to find such great software, human-friendly service, and a very well written manual --- all in the same place.

see more testimonials

John W

I have been using sitelok now for a few months. It is absolutely AWESOME, FLAWLESS, and I love it.

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Comprehensive manual

Sitelok manual
Want to know more about our membership software? Why not download the manual so that you can see what Sitelok can do for you. We provide extensive documentation in PDF format for our products and not just a quick readme text file.

Sitelok Manual

Manuals for Sitelok plugins can be downloaded from the plugins page.

Sitelok membership software can be used with most website editors such as Dreamweaver that allow access to the html source of the page. We have also written some supplementary manuals to help users with some popular web design packages as well.

Using Sitelok with Rapidweaver 8 (checkout out the RW8 video too)
Using Sitelok with Blocs
Using Sitelok with Serif Webplus
Using Sitelok with Freeway
Using Sitelok with 90 Second Web Builder
Using Sitelok with Xara Web Designer
Using Sitelok with Mobirise
Using Sitelok with WYSIWYG Web Builder

Sitelok Membership Software Features

Sitelok is a PHP membership script with a huge number of features so we have only listed the most used here. You can download the comprehensive PDF manual for full details.
Easy to install on almost any server supporting PHP and Mysql. No PHP knowledge is needed.
Can secure .php pages and also .html pages on servers that allow PHP to be used in .html pages (most do). Sitelok can also secure download files stored locally or on Amazon S3, Digital Ocean Spaces, B2 Cloud and Google Cloud Storage.
Users can register for free access or you can use payment plugins to charge for membership.
Unlimited users, usergroups and secure areas
Users can belong to multiple usergroups each with their own expiry date if required
Mobile friendly Login, registration and update profile forms can be easily created using the built in form designers ready to be pasted in your pages. It's also possible to use your own form code.
Optional captcha, forgot password, remember me and auto login features.
Passwords can be stored in the database in plain text or securely (using latest methods)
Up to 50 custom fields of data can be stored for each user along with the username, email and name. User data can be displayed on pages or in emails.
Pages can be secured by usergroup or for specific users if required. Optionally you can allow public visitors to view all or parts of the page if required.
Option to allow search engine access to the secured pages. You can defined which usergroup the search engine access the pages as.
Powerful & responsive control panel for easy user management. Easily find, filter, import, export or email users.
Use the built in template based wysiwyg email editor to send emails to selected users based on usergroup membership or almost any other criteria.
Built in backup system allows you to back up the database for safety and to help with migration to a new server.
Plugin system allows for many new features and enhancements. See plugins.
Developer friendly so advanced users can use Sitelok as the basis for complex applications. The full source code is available and an API allows advanced users to create users and to access and modify member data.
Works great whether you have 100 users or 100,000+ users.
Regular updates. See version history.
Detailed PDF manual and great support


Sitelok membership software works on most Linux or Windows servers whether shared or dedicated. Just check that the server has PHP 5.5 to PHP 8.2 and MySQL (most do). We can recommend A2 Hosting for use with our website scripts but most hosting plans are fine. We advise clients to download and read the manual before purchasing. Please note that closed web creator sites like Wix, Weebly etc are not supported as they do not allow addons to be used.

First of all I'd like to thank you for the Sitelok program, it does exactly what I have been looking for. I must also congratulate you on the excellent manual supplied with it, it is probably one of the best I have ever received with any program.

see more testimonials

Ben V

It is a pleasure to find such great software, human-friendly service, and a very well written manual --- all in the same place.

see more testimonials

John W

Great script....easy to install and very flexible and powerful.

see more testimonials

Francis M

Buy Sitelok V6.8

Sitelok costs just $59.95 plus VAT (for use on one domain) and is available for immediate download after purchase. It's a one off fee and not a subscription. The purchase includes one year of free upgrades and support. If in the future you require additional licenses these are available at a discount of 50% (contact us for details). If you would like more information on the Sitelok membership software, please feel free to get in touch through our contact page, where one of our membership software experts will be more than happy to assist you with your query.

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