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About

Create and modify PDF documents in any JavaScript environment. Create PDF documents from scratch, or modify existing PDF documents. Draw text, images, and vector graphics. Embed your own fonts. Even embed and draw pages from other PDFs. Written in TypeScript and compiled to pure JavaScript with no native dependencies. Works in any JavaScript runtime, including browsers, Node, Deno, and even React Native. Add, insert, and remove pages. Split a single PDF into separate ones. Or merge multiple PDFs into a single document. Create new forms or fill and read existing fields. Checkboxes, buttons, radio groups, dropdowns, option lists, and text fields are all supported. If you aren't using a package manager, UMD modules are available on the unpkg and jsDelivr CDNs. Note that only some PDF readers can view attachments. This includes Adobe Reader, Foxit Reader, and Firefox. If you are using the CDN scripts in production, you should include a specific version number in the URL.

About

Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integrate with other languages. Rust’s rich type system and ownership model guarantee memory-safety and thread-safety — enabling you to eliminate many classes of bugs at compile-time. Rust has great documentation, a friendly compiler with useful error messages, and top-notch tooling — an integrated package manager and build tool, smart multi-editor support with auto-completion and type inspections, an auto-formatter, and more. Whip up a CLI tool quickly with Rust’s robust ecosystem. Rust helps you maintain your app with confidence and distribute it with ease. Use Rust to supercharge your JavaScript, one module at a time. Publish to npm, bundle with webpack, and you’re off to the races.

About

Unlambda is a programming language. Nothing remarkable there. The originality of Unlambda is that it stands as the unexpected intersection of two marginal families of languages. Functional programming languages, of which the canonical representative is Scheme (a Lisp dialect). This means that the basic object manipulated by the language (and indeed the only one as far as Unlambda is concerned) is the function. Rather, Unlambda uses a functional approach to programming: the only form of objects it manipulates are functions. Each function takes a function as an argument and returns a function. Apart from a binary “apply” operation, Unlambda provides several built-in functions (the most important ones being the K and S combinators). User-defined functions can be created, but not saved or named, because Unlambda does not have any variables.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers in need of a tool to create and modify PDF documents in JavaScript environments

Audience

Programming Language solution that empowers developers to build reliable and efficient software

Audience

Developers in need of an advanced Programming Language solution

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

PDF-LIB
United States
pdf-lib.js.org

Company Information

Rust
www.rust-lang.org

Company Information

Unlambda
www.madore.org/~david/programs/unlambda/

Alternatives

Alternatives

Ada

Ada

AdaCore

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
Racket

Racket

Racket Language
RAD PDF

RAD PDF

Red Software
PrizmDoc

PrizmDoc

Accusoft
Zig

Zig

Zig Software Foundation

Categories

Categories

Categories

Integrations

ActiveState
DeepSeek
Fly.io
Gemini 1.5 Flash
Gemini 3 Deep Think
Gemini Pro
Incredibuild
Llama 3
Meteomatics
Notepad++
OpenCage Geocoding API
PaizaCloud
Polar Signals
Qwen2.5-Coder
RapidFort
SerpApi
Steadybit
TeamCity
The CodeGround
TypeScript

Integrations

ActiveState
DeepSeek
Fly.io
Gemini 1.5 Flash
Gemini 3 Deep Think
Gemini Pro
Incredibuild
Llama 3
Meteomatics
Notepad++
OpenCage Geocoding API
PaizaCloud
Polar Signals
Qwen2.5-Coder
RapidFort
SerpApi
Steadybit
TeamCity
The CodeGround
TypeScript

Integrations

ActiveState
DeepSeek
Fly.io
Gemini 1.5 Flash
Gemini 3 Deep Think
Gemini Pro
Incredibuild
Llama 3
Meteomatics
Notepad++
OpenCage Geocoding API
PaizaCloud
Polar Signals
Qwen2.5-Coder
RapidFort
SerpApi
Steadybit
TeamCity
The CodeGround
TypeScript
Claim PDF-LIB and update features and information
Claim PDF-LIB and update features and information
Claim Rust and update features and information
Claim Rust and update features and information
Claim Unlambda and update features and information
Claim Unlambda and update features and information