Day/week/month/year views

Advanced “recurring event” settings

Event subscriptions: Receive reminders and notifications by event or event type

Warnings about conflicting events

Microformats support

Integrate a calendar month view, or an upcoming events view, onto your design

Supports categories: Have multiple event types

Multiple time zones: Have different events in different time zones with configurable conversion settings.

Priority flagging: Choose between 5 priorities

Programmers can even use the calendar to schedule custom tasks (Commandr) to be run

RSS and Atom support: Export support, but also support for overlaying news feeds onto the calendar.

Supports geotargeting

Feedback: Allow members to comment and rate events. Segregate feedback on recurring events by date.

Multimedia: Supports images, videos, audio, and more.

Personal galleries: Allow your members to create their own galleries which show up on their profile.

Support for embedding YouTube videos: Save on bandwidth.

Auto-detection of video length and resolution (most file formats)

Full tree-structure support: Have galleries within galleries within galleries.

Multiple display modes

View entries as a slideshow

Automatic thumbnail generation

Mass import: Also supports importing metadata

Optional watermarking: To guard against thieving swines .

Geotargeting

Adjustments: Automatic size and orientation adjustments according to metadata.

Think “databases on my website”.

Flexible data control: Set up multiple catalogues, each with its own set of fields. There are many types of fields, such as short text fields, upload fields, and date fields.

Multiple display modes: Display the contents of categories using tables, boxes, or lists.

Powerful structure: Each catalogue contains categories which contain entries. Catalogues can have a tree structure of categories and/or work from an index.

Configurable searching: Choose which fields are shown on categories, and which can be used to perform searches (template searches).

Compliance with data protection legislation: Specify which fields may contain sensitive data. These fields will be anonymised as appropriate when members download or purge their data.

Entirely customisable: Full support for customising catalogues, categories, and entries, exactly as you want them- field by field. You can even make custom page templates per-catalogue.

Classified ads: Entries can automatically expire and get archived. You can also send out view reports.

Community interaction: You can allow users to comment upon and rate entries.

Import data from CSV files

Periodic content reviews: Helping you ensure ongoing accuracy of your data.

Joined Chris Graham behind the scenes in the development of Composr CMS in 2016.

Took on the lead developer role in 2023 when Chris Graham stepped back to attend to his new lifestyle changes.

Spearheaded the development of Composr CMS v11 and the new website, Composr.app.

Formed the company PDStig, LLC to take on professional support and development for Composr CMS users especially after the discontinuation of ocProducts, Ltd.

Stepped back as lead developer in April 2025 due to economic constraints.

PDStig, LLC

written many tutorials via Arvixe

Made some key contributions to ocPortal

None available

Wrote many tutorials via Arvixe

Coded the chatroom, blogging support, the analytics system, and OcCLE (now Commandr)

Masters Degree in Computer Science degree from The University Of Cambridge

Other work has included helping out with Firefox, and ongoing work on GNOME

Original designer for ocPortal

Also conceived and coded the Theme Wizard and Point Store

Son of one of the early inventors of Internet protocols (Usenet, aka Internet newsgroups)

Token non-brit

• .jpg/.jpeg: Highly compressed, best for photos due to minimal noticeable quality loss.
• .png: Good compression with no quality loss, ideal if bandwidth isn't a concern.
• .gif: Limited to 256 colors and poor compression. Better alternatives are video or APNG.

• .mp4 (h.264 aac encoding): The recommended format, widely supported.
• .mov (h.264 aac encoding): Identical to .mp4.
• .webm: Supported natively in most browsers, but requires plugins for Internet Explorer/Microsoft Edge and Safari.

• Forum Groupings: Broad categories that contain forums.
• Forums: Contain topics related to a specific subject.
• Sub-forums: Forums nested under other forums, providing further categorization.
• Topics: Threads of conversation containing a series of posts.
• Posts: Individual messages within a topic.

• Email Tracking: Composr marks emails as read when processing posts. Marking an email unread will trigger re-processing.
• Log File: Create an empty file named data_custom/mail_integration.log to capture detailed log data for troubleshooting.

• Forum View Access: Determine which usergroups can view each forum.
• Privilege Overrides: Grant or deny specific privileges (e.g., posting) to usergroups within a forum.
• Bypass Validation: Allow trusted members to post without moderation (or vice versa, require validation for certain usergroups).

• Advanced Polls: Blind polls, forcing or setting of default options, and point-weighting.
• Private Topics: More sophisticated than traditional private messages.
• Forum Introduction Questions: A flexible way to control access and encourage engagement (e.g. forum-specific rules or forum passwords).
• Cascading Topics: Pinned topics that appear in multiple forums.
• Integrated Moderation: Streamlined moderation tools within the forum interface.

• Control Result Visibility: Choose whether results are visible before voting.
• Require Topic Reply: Force users to reply to the topic before voting.
• Show Voter Identities: Optionally display which members voted for each option.
• Allow Vote Revocation: Let voters change their vote while the poll is open.
• Set Voting Close Time: Define a specific date or time for the poll to close.
• Restrict Selections: Limit the number of options voters can choose.
• Allow Guest Voting: Enable voting for unregistered users.
• Weight Votes by Points: Give more influential members greater voting power (requires the points addon).

• Regular Posts: Standard posts made by members within a topic.
• Quick Replies: Shorter replies made directly from the topic view.
• Anonymous Posts: Members can choose to post anonymously, appearing as a guest. Staff can track the actual user if needed.
• Emphasised posts: Posts made by staff (or marked by staff) which are highlighted to draw attention as they are important.
• Whispers: Private messages embedded within public topics, allowing for side conversations.
• Private Topic Posts: Private messages sent between specific members (e.g. an on-site "inbox").

• PHP IMAP extension installed
• System scheduler (Cron) running
• IMAP-compatible mail server

• Mail server enforces SPF and DKIM for email validation
• Mail server limits email size to prevent abuse
• System scheduler runs frequently (e.g., every minute) so members get prompt updates