Elgg is a free, open-source social networking engine for building a private or public community website. It is designed for organisations, membership bodies and businesses that want profiles, feeds, groups, messaging and friends in a platform tailored to their members, rather than relying on a public social network.
Elgg is software for creating your own online community. Members can build profiles, publish updates, join groups, exchange messages and interact with other users. You control the website, the data and the way the community is organised.
It is different from joining an existing social network. Instead of sending members to a platform controlled by another company, you can create a branded environment for your organisation, association, customers or team.
The software is open source, which means it can be downloaded, adapted and extended. You can learn more about the project on the official Elgg website.
For a small-business owner, the key point is simple: Elgg gives you a foundation for a community website, but it is not a finished social network that requires no configuration. You will need suitable hosting, a clear structure and a plan for managing members, content and updates.

The biggest benefit is flexibility. You can start with a focused community and add features later. However, flexibility also means making decisions about layout, moderation, member journeys and technical maintenance.
Example scenario: A professional membership body wants to give members a private place to discuss industry topics, share resources and find relevant contacts.
Each member could have a profile showing their specialism and location. Groups could be created for regional chapters, working groups or specific interests. The organisation could publish announcements in a central feed while members use discussions and messages to continue conversations.
This approach can make membership more valuable because the website supports interaction between members, not just one-way news publishing.
Example scenario: A growing organisation has teams working across different offices and wants a central space for collaboration.
The organisation could create groups for departments, projects or employee networks. Staff might use activity feeds for updates, private groups for sensitive work and profiles to identify colleagues with particular skills.
This would not replace every business system, but it could provide a more social layer for communication and knowledge sharing.
Example scenario: A training provider wants to offer learners a private online space alongside its courses.
Learners could introduce themselves, ask questions, join subject groups and share useful resources. Tutors could post updates and respond to discussions. Access rules could help separate current learners, alumni and staff.
The success of this model would depend on clear moderation, regular activity and a simple onboarding process. Installing community software alone will not make people participate.
Elgg is more technical than a typical hosted community product. Installation, configuration, plugins, updates and troubleshooting may require knowledge of web hosting, PHP, databases and server settings.
A one-click installation reduces the initial setup work, but it does not remove the need to plan and maintain the community.
The software itself is free, but a real community website still has operating costs. These may include hosting, backups, security monitoring, design, plugin development and technical support.
As of 2026, the total cost will depend on the number of members, storage needs, traffic levels and the amount of custom work required. A small pilot may run on an affordable shared hosting plan, while a busy community may need a stronger VPS or cloud environment.
| Cost area | What to consider |
|---|---|
| Software licence | No licence fee for the open-source application |
| Hosting | Server resources, storage, backups and security |
| Design | Branding, navigation, responsive layouts and accessibility |
| Development | Custom features, integrations and plugin changes |
| Maintenance | Updates, compatibility checks and troubleshooting |
Elgg provides a strong foundation, but your community may need a tailored theme and carefully planned navigation to feel polished. A default installation is unlikely to reflect your brand or provide the clearest journey for new members.
This is where professional website design services can help. Good design should make registration, profile completion, group discovery and posting feel straightforward.
BuddyPress adds social networking features to WordPress. It may be a better choice if your organisation already uses WordPress and wants profiles, groups and activity features within the same content management system.
UNA is a dedicated community platform aimed at building social networks and member-based websites. It differs by offering a more packaged community experience, while Elgg is particularly attractive to organisations that want an open-source foundation they can extend and customise.
Both BuddyPress and UNA are included in Zest City’s 79-app library in the Social Network / Community category. The right choice depends on whether you prioritise WordPress integration, a packaged platform or deeper control over the underlying community engine.
You should also think about hosting before inviting members. A slow or unreliable community site can discourage participation, particularly when people are uploading files, viewing media or using the platform from mobile devices.
Elgg is one of 79 apps available free with Zest City Web Hosting : included on every shared hosting programme and platform we offer, with genuine 1-click installation (no server admin, no manual setup, live in minutes). No extra licence fees, no separate app-store account.
The Zest City install option is designed to make getting started simpler. The underlying hosting environment is provided through 20i, while Zest City Web Hosting gives you a practical route to install the application without manually uploading files or creating the database yourself.
You can review the Elgg one-click install option before getting started. The exact hosting plan you need will depend on your expected member numbers, storage requirements and community activity.
For organisations in the UK, including businesses in Kent, Essex and London, hosting should be considered alongside website performance, security and future growth. A community project may begin modestly but need more resources as membership increases.
Yes. Elgg is free, open-source software with no licence fee or per-user charge from the project itself. You still need to budget for hosting, design, custom development, backups, security and ongoing maintenance.
Elgg is a strong option for organisations that want to build a tailored social network with profiles, activity feeds, groups, messaging and member permissions. It is best suited to teams that value ownership and flexibility and can arrange appropriate technical support.
Yes. Elgg can support private communities through access controls, member permissions and restricted groups. You should plan registration, approval, moderation and data-protection processes carefully before inviting members.
Some technical knowledge is helpful because the platform needs hosting, configuration, updates and plugin management. Zest City Web Hosting and one-click installation can simplify the first stage, but ongoing customisation may still require a web professional.
Not sure Elgg is the right fit : or want to see the other 78 apps you get free? Talk to Zest City about your web hosting and we’ll help you pick the right app, the right hosting plan, and show you what else we can do for your site, from design to ongoing support.
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