Elm is a pure functional frontend language that compiles to JavaScript, offering a strong type system with zero runtime errors, excellent compiler error messages, and a built-in time-travel debugger.
- 0.19.3
- Published at
- Oct 2, 2026
- 7,940
- Stars
- 2,661,330
- Download
- Synced at
- 9m ago
Latest release
0.19.3Oct 2, 2026, 01:57 PMDownloads slow? Switch the source anytime above
README
Project Overview
Elm is a functional programming language that compiles to JavaScript, designed to help developers create reliable web applications. It is known for its excellent compiler error messages and the promise of no runtime exceptions.
Key Features
- Pure functional language that compiles to JavaScript
- Strong type system with zero runtime exceptions
- Excellent compiler error messages
- Built-in time-travel debugger
- The Elm Architecture for building web apps
Target Audience
- Frontend web developers
- Developers who追求 type safety and reliability
- Developers interested in functional programming
Quick Start
- Install Elm following the official guide
- Create a
Main.elmfile - Run
elm reactorto start the development server
Core Advantages
- Catches most errors at compile time with no runtime exceptions
- Readable compiler error messages
- Simple yet powerful architecture pattern
- BSD 3-Clause licensed
Release history
Sort
Related projects
unsloth
unslothai/unsloth
An open-source library for accelerating large language model (LLM) fine-tuning, significantly reducing VRAM usage and increasing training speed.
v0.1.917-beta Python
Author updated 2d ago
OpenBB
openbq-org/OpenBB
OpenBB is an open financial data platform for analysts, quants, and AI agents, aggregating equities, options, crypto, and macro data from multiple sources behind one Python library and REST API — connect once, consume everywhere.
ODP Python
Author updated Sep 30, 2026
pathway
pathwaycom/pathway
Pathway is a Python ETL framework that unifies batch and streaming data for stream processing, real-time analytics, LLM pipelines, and RAG, powered by a Rust engine based on Differential Dataflow.
v0.32.1 Python
Author updated Aug 1, 2026
requests
psf/requests
Requests is a simple yet elegant Python HTTP library for sending HTTP/1.1 requests with minimal code, handling query strings, form encoding, cookies, auth, and decompression automatically.
v2.34.2 Python
Author updated May 14, 2026
llama_index
run-llama/llama_index
LlamaIndex is an open-source data framework for LLM applications (Python). It provides data connectors, indices, query engines, and agent orchestration to feed private data into LLMs for building RAG and agent apps.
v0.14.25 Python
Author updated Sep 21, 2026
pandas
pandas-dev/pandas
pandas is the most popular Python data analysis and manipulation library, providing labeled data structures (Series and DataFrame) similar to R's data.frame, covering cleaning, alignment, group-by aggregation, and time series for everyday data work.
v3.1.1 Python
Author updated 9d ago