Best On-Premises AI Writing Software

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.

Companies using ProWritingAid produce higher quality content, comms, reports, bids and other documents with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mistakes, and poor writing style. A wide range of integration options, including API and on-premise solutions, supports all sizes of organization, including those with high-level security and privacy requirements.

Eskritor is an AI-based content writer tool that helps people to generate blog post articles, product descriptions, and other written content with just the click of a button. Eskritor helps students finish their assignments on due time by creating sentences, summaries or even paragraphs with very little time. Eskritor’s AI-based technology can create many different formats of content such as new social media posts, landing page text, and blog articles. Take the burden off of your marketing team. Eskritor is helps e-commerce specialists to write marketing copy and product descriptions. It can generate content for any niche, topic or industry.

WRITER is an end-to-end platform for building, activating, and supervising AI agents across the enterprise. It empowers IT and business teams to collaboratively build agents that automate work, improve decision making, and drive business outcomes. With WRITER, teams get a home for their AI-powered work, while builders get intuitive development tools, seamless integrations, and full oversight via approval workflows, logs, and role‑based controls. Powered by WRITER’s Palmyra LLMs and Knowledge Graph, the platform powers accurate, reliable AI agents that meet strict security and compliance standards, including SOC 2 Type II, GDPR, HIPAA, PCI, and the ISO trust triad. With WRITER’s team of AI experts, we turn AI pilots into company‑wide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.

AI writing assistant for customer-facing teams. Sapling sits on top of CRMs and messaging platforms to help agents more efficiently compose personalized responses. Managers gain conversational insights to coach and prepare teams. Sapling provides functionality for autocomplete, spelling and grammar checking as well as snippets/canned messages/text expander. All services can be self-hosted, provided on-premise or cloud-premise to meet enterprise security and privacy requirements. Spelling and Grammar checking APIs allow users to integrate Sapling's language models into custom applications and use cases. Sapling Suggest retrieves relevant responses from a team knowledge bank and allows agents to respond more quickly to customer inquiries by simply clicking on the desired response. Empower agents instead of providing brittle, decision tree-based chatbots.

Get 8X more responses with personalized AI-written emails and LinkedIn messages. Analyze prospects' LinkedIn activities and create customized messages that land you with responses. Scale up your cold outreach activities with AI and automation flows. Reduce your research time per lead from 45 minutes to 15 seconds and let AI write the emails. Write sales, marketing, or HR emails with a personalized tone in just a few clicks. Increase response rates by sending personalized LinkedIn connection requests and crafted messages based on prospect's activities and AI-recommendations. Increase your cold outreach responses by 8X with AI-powered sales personalization and customized LinkedIn messages based on prospects' bios. Utilize blog content to create hyper-personalized backlink requests and send automated emails. AI-powered personalized outreach that creates customized emails based on a prospect's digital footprint.

TextGears provides AI-empowered text spelling and grammar checking, paraphrasing and translation services. Available online. For companies, we provide an API and on-premise for integrating text analysis functions into any product. Supported languages: English, French, German, Portuguese, Russian, Italian, Arabic, Spanish, Japanese, Chinese and Greek.

Experience the power of the best AI models in one streamlined platform with ChatLabs. We've got everything from chatting, writing, and web searching to generating incredible art. You can choose the right AI for every task if you prefer using GPT-4, Claude Opus, Gemini, or Llama 3. AI Assistants & Bots Unlock limitless possibilities with customizable AI assistants. Please choose from our pre-built options or design your own, fine-tuning them with your specific files. The only limit is your imagination. Our AI Prompt Library helps you organize frequently used prompts well-structured so that you can access them quickly and efficiently—no need for repetition. AI Art & Image Creation: Generate breathtaking visuals using our advanced AI tools like FLUX.1, DALL-E 3, and Stable Diffusion 3. Whether It's for personal or professional use, the possibilities are endless.

Do you wish you could edit texts without having to switch between multiple applications and ChatGPT? From syntax highlighting to word compatibility and Figma integration, our text editor has everything you need to streamline your workflow.

Leverage the power of custom models to build your competitive advantage. With our enterprise Gen AI stack, go beyond your imagination and offload manual tasks to powerful assistants instantly – the sky is the limit. For enterprises where data security is paramount, fine-tune and deploy generative AI models on your own cloud, securely.