Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
#1Open WebUI records 804,534 monthly visits with -2.8% month-over-month growth and Freemium pricing. Spreadsheet Daddy records 26,873 monthly visits with +7.7% growth and Freemium pricing.

Excel and Google Sheets tutorials, free templates and an AI add-on in one place
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | openwebui.com | spreadsheetdaddy.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 804.53K (804,534) | 26.87K (26,873) |
| MoM Traffic Delta |
|---|
| -23.01K (-2.8%) |
| +1.93K (+7.7%) |
| Primary Market & Share | 🇺🇸 United States (24.5%) | 🇺🇸 United States (62.6%) |
|---|
| Direct Visits / mo | 299.84K | 5.45K |
|---|
| User Rating | 4.4 | 3.9 |
|---|
| Supported Platforms | Website | Website |
|---|

Self-hosted AI workspace for local and cloud models
Connect local runtimes like Ollama alongside OpenAI-compatible and Anthropic APIs, and switch between them inside one interface.
RAG over your own documents, web search and citation-aware answers come standard, so responses are grounded in real sources.
Extend the platform with Python code to add custom tooling, preprocessing, and multi-step pipelines, then share them with others.
SSO, RBAC, audit logs, data residency, and on-premises, hybrid or air-gapped deployment for organisations with strict requirements.

Excel and Google Sheets tutorials, free templates and an AI add-on in one place
Structured tracks cover Excel 101, charting, data analysis and VBA, plus Google Sheets fundamentals, charts and formulas.
Ready-made inventory, budget, calendar, timesheet, invoice, project plan, assignment and job application trackers for Excel and Sheets.
An advanced add-on, rebranding to Synterrix Spreadsheet AI, that generates formulas and automates spreadsheet tasks without leaving the sheet.
Editorial roundups such as the best AI tools for Google Sheets and comparisons of B2B intent data providers to help readers choose software.
Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
#1SpecialistOpen-source workflow automation built for AI agents and technical teams
SpecialistA free, open-source personal AI agent that learns your projects and works across every messaging app.
#3
SpecialistOpen-source personal AI assistant that runs on your own machine and works from chat apps

SpecialistSpecializes in visual workflow building and RAG pipelines rather than serving purely as a chat interface.

Free / Open-sourceFocuses on collaborative team AI workspaces and plugins, but shares similar open-source architectural goals.
SpecialistFocuses heavily on privacy-first document chat and local RAG pipelines, but offers fewer general-purpose chat UI features.

Free / Open-sourceOffers robust multi-provider support and advanced user permission management, but has a slightly different configuration setup.
Free / Open-sourceDelivers a desktop-native application for running local models offline easily, but lacks Open WebUI's server-centric multi-user features.
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations

Chat your way through spreadsheets, reports, and slides

AI spreadsheet agent for Excel and Google Sheets

Free / Open-sourceFunctions primarily as a lightweight CLI runtime for local models rather than a full-featured chat interface.
SpecialistOpen-source workflow automation built for AI agents and technical teams
SpecialistA free, open-source personal AI agent that learns your projects and works across every messaging app.
SpecialistOpen-source personal AI assistant that runs on your own machine and works from chat apps
SpecialistSpecializes in visual workflow building and RAG pipelines rather than serving purely as a chat interface.
SpecialistFocuses heavily on privacy-first document chat and local RAG pipelines, but offers fewer general-purpose chat UI features.
Free / Open-sourceOffers robust multi-provider support and advanced user permission management, but has a slightly different configuration setup.
Free / Open-sourceDelivers a desktop-native application for running local models offline easily, but lacks Open WebUI's server-centric multi-user features.
SpecialistOpen-source AI automation that unifies agents, flows and 770+ app integrations
Chat your way through spreadsheets, reports, and slides