Highland.js
Stream processing library for JavaScript and Node.js.
- Status
- UnmaintainedNo commits in 2260 days.
- Last checked
- Checked · Oct 10, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Highland.js is a powerful stream processing library that makes it easy to write asynchronous code in a synchronous style, using standard JavaScript and Node-like Streams. It simplifies the management of both synchronous and asynchronous operations by providing a unified API.
Highland.js stands out by offering a unified API that simplifies stream processing in JavaScript, making it easier to handle both synchronous and asynchronous operations without needing separate libraries.
When it fits — and when it doesn’t
A good fit for
Developers working on Node.js projects who need to manage both synchronous and asynchronous operations efficiently.
Teams building data processing pipelines that require memory-efficient stream handling.
Look elsewhere if
Projects requiring real-time streaming capabilities beyond what standard Node-like Streams can offer
Applications where the overhead of a library for managing streams is not justified
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited active development and community support
The last major release was in 2015, indicating reduced maintenance and updates.
- 02
Performance overhead compared to native Node.js streams
Highland.js adds an abstraction layer which can introduce performance penalties for large-scale data processing tasks.
- 03
Complex setup for simple use cases
For basic stream operations, the setup and configuration required by Highland.js might be more complex than necessary compared to using native Node.js streams directly.
What it does well
Unified API for both synchronous and asynchronous operations
Supports Node-like Streams
Simplified error handling with try/catch blocks
Flexible chaining of stream transformations
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 Highland.js
Setup steps, common gotchas and what to check after 30 days.
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