An open-source, lightning-fast collaborative knowledge base for modern teams, pre-configured on a secured CentOS 9 environment with support by ThinkCloud.
Outline on CentOS 9 is a premium, ready-to-use Amazon Machine Image (AMI) designed for organizations that require a high-performance, beautiful, and secure internal wiki and knowledge base. Built for modern teams, Outline combines the simplicity of a document editor with the power of a structured database, making information discovery seamless and intuitive.
Maintained and optimized by ThinkCloud, this AMI is deployed on a hardened CentOS 9 foundation. We have pre-configured the entire stack, including the Node.js runtime, Redis for caching, and PostgreSQL for data storage, ensuring a production-ready environment right out of the box. This setup is specifically tuned for the AWS ecosystem, providing superior reliability and fast page loads.
Outline features a clean, markdown-compatible editor and supports deep integration with Slack and Google Workspace. By hosting Outline on your own CentOS 9 instance through ThinkCloud, you maintain 100% ownership of your proprietary documentation and internal data while benefiting from enterprise-grade security and performance.
Highlights
High-Performance Team Collaboration
Empower your team with a beautiful, fast, and intuitive interface for creating and organizing company knowledge, documentation, and meeting notes.
Enterprise Support by ThinkCloud
Leverage ThinkCloud's professional expertise for seamless deployment, SSL configuration, and proactive monitoring to keep your knowledge base available 24/7.
Self-Hosted Privacy and Control
Maintain full sovereignty over your internal documentation by hosting Outline on your own secured CentOS 9 instance, protected by ThinkCloud's security hardening.
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
You pay by the hour for running Outline on CentOS 9, billed based on the AWS EC2 instance size you pick. The ten options split into two chip families: t3 (Intel) and t3a (AMD). Within each family, you scale up from nano to micro, small, medium, and large. Larger sizes give more compute and memory and cost more per hour. Software charges here cover the vendor's support; standard AWS infrastructure fees apply separately. Choose the instance that matches your workload, and your hourly rate follows that choice.
Top-of-mind questions for buyers
What do the t3 and t3a labels mean for the instance I choose?
They name the AWS EC2 instance type your software runs on. t3 uses Intel processors; t3a uses AMD processors. Both scale through nano, micro, small, medium, and large sizes. Each larger size gives more virtual CPU and memory, and you pick one type as your billing unit.
Am I charged the hourly software rate when my instance is stopped?
The software rate meters running time only. A fully stopped instance stops accruing the hourly software charge. Underlying AWS fees, such as storage for the stopped instance, may still apply separately. You are billed the software rate for the hours your chosen instance actually runs.
How do I change to a different instance size if my workload grows?
Each instance type is a separate hourly rate. To move to more compute, launch the size you need and your hourly rate follows that new choice. There is no upfront commitment, so you pay only for the hours each instance runs. Contact the vendor for migration guidance.
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An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Updated to the latest
Additional details
Usage instructions
SSH to the instance and login as 'ec2-user' using the key specified at launch. Additional information may be found at : https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html
After entering the system, please check the Readme file under the /root path, which contains detailed configuration information
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
This product has charges associated with it for deployment, configuration, and ongoing support. Self-hosted team wiki with a beautiful Markdown editor, real-time collaboration, and structured document organization, deployed on EC2 with PostgreSQL and Redis.
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