Gravity PDF vs. PDF Generator API Comparison Chart

Nutrient is the comprehensive solution for all your PDF needs, offering tools that effortlessly integrate and operate PDF functionality across any platform. 1. SDK PRODUCTS Integrate robust PDF functionality into iOS, Android, Windows, web (JavaScript), or any cross-platform technology, providing capabilities such as PDF viewing, markup, collaboration, and more. 2. LIBRARIES Utilize our potent .NET and Java libraries to boost your backend applications with batch processing of redactions and PDF forms, OCR’d scanned text, and editing of PDF documents, directly from your application server. 3. PROCESSOR Our dynamic PDF microservice, Processor, enables swift generation of PDFs from HTML, including HTML forms, along with Office-to-PDF conversions, OCR, redaction, and XFDF merging and exporting. 4. PDF API Use hosted PDF API to generate, convert, and modify PDF documents in your workflows. We manage the development and server administration, letting you focus on what you do best.

Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE!

Apryse (formerly PDFTron) powers the future of document technology. We help businesses, developers, and enterprises handle documents with unmatched speed, accuracy, and security. Whether running in secure server environments or delivering seamless web-based experiences, Apryse makes document workflows smarter and easier. With Apryse, you can: Embed powerful document features directly into your apps — from viewing and editing to collaboration and compliance. Run at enterprise scale on secure server infrastructure, ensuring reliability without cloud dependencies. Deliver seamless in-browser document experiences with responsive, accessible, and feature-rich web capabilities. Trusted globally, Apryse empowers organizations to simplify operations, enhance productivity, and create exceptional document experiences.

Developers rely on Datalogics to provide the most comprehensive PDF SDKs in the industry. We are SOC 2 Type 2 certified. Global OEMs, SaaS and enterprise end-users rely on Adobe PDF Library to automate the creation, editing and management of PDFs. An Adobe partner, our SDK uses the same source code as Acrobat for stability, reliability and quality results. Flexible programming language and platform options include .NET, .NET Framework, Java and C/C++ on Windows, Linux, MacOS; NuGet & Maven; pdfRest API Toolkit Container option. Our extensive documentation includes getting started guides, API references, and hundreds of sample code examples on GitHub to help developers precisely create and define PDF workflow solutions. Free trial with proof of concept support, join us on Discord or use our AI assistant for help, or set up a time to talk to one of our engineers about your project. Our expertise and support is the reason we have a 91% customer retention rate.

Multi-Entity Cloud Accounting Software for Growing Businesses Gravity Software® is a cloud-based accounting solution designed for companies that have outgrown QuickBooks but don’t need the cost or complexity of Sage Intacct or larger ERP systems. Built natively on the Microsoft Power Platform (Dynamics 365), Gravity delivers robust multi-entity financial management with seamless integration to Microsoft 365, Power BI, Teams + Copilot — no third-party add-ons required. 🎈 Multi-entity & multi-location accounting 🎈 Automated intercompany transactions 🎈 AP automation & multi-level approvals 🎈 Real-time consolidated reporting & dashboards 🎈 Advanced analytics with Microsoft Power BI 🎈 Easy navigation from accounting to sales & service Trusted by growing companies in real estate, family offices, professional services, healthcare, hospitality, and nonprofits, Gravity helps businesses simplify complex accounting, improve cash flow, and scale with confidence.

ONLYOFFICE is an open-source project that offers cloud-based and self-hosted solutions for business of all sizes. The key product is ONLYOFFICE Docs, a secure office suite that seamlessly integrates into the most popular platforms, e.g. Odoo, Alfresco, Confluence, Pipedrive, Redmine, SuiteCRM and more. When integrated, ONLYOFFICE Docs provides the users of your business app with editors for documents, spreadsheets, presentations, forms, PDFs and diagrams. The ONLYOFFICE suite makes it possible to collaborate on office files in real time. The built-in AI assistant is compatible with ChatGPT, DeepSeek, Mistral and other AI providers to ensure a flawless editing experience. You can use Docs within ONLYOFFICE DocSpace, a room-based document collaboration platform that allows you to create dedicated spaces where you can assign access permissions and collaborate with your teammates. With DocSpace, you can store, share and co-edit office files, and even interact with third parties.

WorkBright is the only compliance-first digital onboarding platform built to protect your business while accelerating hiring. We enable employers of all sizes to manage Form I-9, tax forms, and custom hiring documents with a focus on eliminating errors and reducing compliance risk. With automated form and policy updates, flexible integration options, and rapid implementation, WorkBright delivers the perfect balance of protection and efficiency that compliance-conscious organizations need in today's complex and fast-moving regulatory environment.

Docmosis is a self-hosted or SaaS template-based document generation solution.  Integrate with custom-built software applications or popular third-party apps using the API. Create templates using MS Word or LibreOffice. Add plain-text placeholders to control: the insertion of text/images/tables; conditionally add/remove any content; perform calculations; loop over repeating data; format data/numbers and much more. Used by customers in Finance, Health, Legal, Education, Government, HR, Insurance, Logistics, and Manufacturing to generate customized letters invoices, proposals, contracts, statements, reports and more. Integrate with: Custom software built using Java, C#, Python, PHP, Ruby and more via a REST API; Low-code and no-code platforms like Appian, Bubble, Mendix, Outsystems; Third-party form builders or apps that can perform a webhook such as FormAssembly or Salesforce.

Regpack is a smart online registration and payment platform that automates onboarding, billing, and client communication in one secure system. Trusted by thousands worldwide, Regpack streamlines how you collect payments, manage forms, and reduce manual work—giving you real-time insight into every part of your registration process. Looking for camp or course registration software with built-in payment tools? Regpack connects forms, billing, reporting, and communication, so you can automate recurring invoices, offer flexible plans, and track revenue all in one place. Key features include automated invoicing and reminders, dynamic form creation, real-time reporting, and integrated email tools. Whether you manage one program or scale across multiple locations, Regpack adapts to your workflow—so you can focus on growing your programs, not chasing paperwork.

Soraban is the tool to get more 1040s out the door and so much more. An Intelligent Tax Workflow Solution built specifically for accounting and tax firms, designed to automate client data intake, document collection, and workflow coordination. Stop chasing clients for documents and let Soraban handle it with dynamic, customizable questionnaires that auto-remind clients via SMS, email, or voicemail. Integrated with legacy tax software, Soraban automatically enters data, applies e-signatures for IRS forms, and coordinates tax return delivery with minimal human intervention. Handling repetitive administrative duties frees professionals to focus on advisory work while improving efficiency, reducing errors, and enhancing the client experience through mobile-friendly, seamless interactions.