Recommender
C library for product recommendations using collaborative filtering.
- Status
- UnmaintainedNo commits in 1498 days.
- Last checked
- Checked · Oct 10, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
A C library designed to provide product recommendations and suggestions through collaborative filtering techniques. It is ideal for developers looking to integrate recommendation systems into their applications without the need for complex setup processes.
Recommender stands out as a lightweight, efficient C library for collaborative filtering-based recommendations, ideal for developers seeking simplicity and performance in their applications.
When it fits — and when it doesn’t
A good fit for
Developers who need a lightweight, efficient C library for collaborative filtering-based recommendations.
Projects where integration simplicity and performance are critical.
Look elsewhere if
Applications requiring real-time recommendation updates
Scenarios needing extensive customization beyond the provided features
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited language support
The tool is primarily written in C, which may limit its integration with applications developed in other languages without significant effort.
- 02
Complex setup for non-C developers
Developers unfamiliar with C might face challenges setting up the environment and integrating Recommender into their projects due to the lack of comprehensive documentation and support for other languages.
- 03
Poor documentation
The available documentation is sparse, making it difficult for new users to understand how to effectively use the library's features without extensive trial and error or community support.
- 04
Performance may vary with large datasets
Collaborative filtering techniques can be computationally intensive, especially when dealing with large datasets. This could lead to slower performance and increased resource usage in production environments.
What it does well
Collaborative filtering for product recommendations
Efficient and lightweight C implementation
Suitable for integration into existing applications
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up Recommender
Setup steps, common gotchas and what to check after 30 days.
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