The most upvoted software on Alternivo. Upvotes come from signed-in members only.
CustomGPT builds no-code AI agents from your content for customer support and internal answers, with citations, security controls, and broad data integrations.
Chatbot Builders

D-ID creates AI-generated videos and real-time visual agents with talking avatars, scaling multilingual communication and branded content across channels.
Talking Avatar Generator

DALL·E is a text-to-image generator that turns written prompts into original visuals, with tools for styles, variations, and targeted image edits.
Image Generation

Darktrace is an AI-driven cybersecurity platform that learns normal behavior to detect and autonomously stop threats across network, cloud, email, identity, OT, and endpoints.
Cybersecurity

Datadog is an AI-powered observability and security platform that unifies metrics, traces, logs, and digital experience data for modern cloud applications.
Observability

Decagon is an enterprise platform to build, optimize, and scale AI concierge agents across voice, chat, email, and SMS with natural-language workflows and analytics.
Customer Support

Decktopus is an AI presentation maker that builds branded decks and carousels, coaches delivery, tracks engagement, and helps turn views into leads.
Presentation

DeepInfra is an AI inference platform offering developer APIs, 100+ ready-to-use models, pay-as-you-go pricing, zero data retention, and optional dedicated GPU clusters.
Model Hosting & Inference
DeepL is a language AI platform for translating text, documents, and voice, improving writing, and embedding translation via API for teams and enterprises.
Translator
DeepSeek provides open-source AI models and a chat assistant with an API that supports web search and scraping, plus mobile app and desktop access.
Chatbots

Deepgram is a Voice AI platform offering unified APIs for speech-to-text, text-to-speech, and real-time voice agents, deployable in cloud or self-hosted.
Transcription
Descript is an AI video and audio editor that lets teams record, transcribe, edit by text, and publish, with tools for cleanup, captions, and collaboration.
Video Editor

Designs.ai is an AI creative workspace where specialist agents turn a single brief into images, video, audio, slides, logos, and more—ready to publish.
Logo Generator

Devin is an autonomous software engineer that maps codebases, writes and tests code, reviews PRs, and automates fixes across cloud and local environments.
AI Agents

Dia is a work-focused browser that organizes tabs, preps meetings, and answers questions using context from tools like Slack, Notion, Teams, and GSuite.
AI Browsers
Open‑source platform to design agentic AI workflows, build agents and RAG pipelines on one canvas, and deploy in the cloud, VPC, or self‑hosted.
Agent Frameworks

Digits is AI-native accounting software that automates bookkeeping, bill pay, invoicing, and month-end close with real-time financials and insights.
Tax & Accounting

DoNotPay is an AI-powered consumer tool with 100+ self-help services to cancel free trials, lower bills, fight tickets and robocallers, and protect privacy.
Legal Assistants

Drata is a compliance automation platform that monitors controls, collects evidence, and helps teams achieve and maintain SOC 2, ISO 27001, HIPAA, and GDPR.
Compliance

DreamStudio is a browser-based creative production platform that turns text prompts into images and refines visuals with editing and style controls.
Image Generation

Duolingo is a popular language‑learning app and website offering free, science‑based, bite‑sized lessons to build reading, listening, speaking, and writing skills.
Language Learning

AI platform to build a website, attract leads with SEO & GEO, manage bookings and CRM, collect reviews, and take payments—everything to run a small business.
Website Builders

Eduaide is an AI workspace that turns K–12 objectives, standards, and source materials into lesson plans, assessments, organizers, games, and differentiated resources.
Academia
Eightfold AI is a talent intelligence platform with AI agents and an AI Interviewer that helps HR teams see, develop, and deploy talent across hiring and management.
Recruiting

AI voice generator and voice agents platform for lifelike speech in 90+ languages, with 17,500+ voices and secure APIs/SDKs for audio creation and apps.
Text to Speech

AI dubbing to localize audio and video in 90+ languages, preserving the speaker’s voice, tone, and timing with an automated, sync-aware workflow.
Dubbing

Elicit is an AI research assistant that searches academic literature, generates cited reports, and supports systematic reviews and decision workflows.
Research Tools
ELSA Speak is an AI English speaking app that builds pronunciation, fluency, and confidence through real-world role-plays and instant feedback.
Language Learning

Emergent is an AI app builder that turns plain-English ideas into production-ready web and mobile apps, handling design, code, and deployment without coding.
Vibe Coding

Equals is an AI-ready spreadsheet for trusted analytics that connects live data, builds auditable workbooks and dashboards, and deploys updates company-wide.
Spreadsheets

Eraser is an AI-powered tool for technical teams to generate, standardize, and refine architecture and process diagrams from text, code, and files.
Diagramming
Exa is an AI search engine and API suite for querying, crawling, and extracting real-time web and structured data for agentic workflows.
Search APIs for AI
Exploding Topics is a trend research platform that surfaces fast‑rising topics, products, and companies early, with curated insights, TikTok data, and an API.
Market Research
Factory is an agent-native development platform where AI Droids plan, build, review, test, and ship software across desktop, web, terminal, and CLI.
AI Agents

Fal is a generative media platform for developers, offering a unified API for 1,500+ image, video, audio, and 3D models plus serverless GPUs for custom deployment.
Model Hosting & Inference

Fathom records and transcribes Zoom, Google Meet, and Microsoft Teams calls, then delivers instant AI summaries with action items and syncs insights to your tools.
Meeting Assistants
FeedHive is an AI-driven social media manager to create, schedule, automate, and analyze posts across channels with team and agent tools.
Social Media Tools
Felo is a multilingual AI platform that searches across languages, explains sources, and creates slides, mind maps, documents, images, and webpages.
Search Engines

Final Round AI’s Interview CoPilot is a desktop assistant that helps candidates prepare, get private real-time answers in live interviews, and review automatic debriefs.
Job Tools

Firebase Studio is a browser-based workspace for full‑stack development with Gemini AI, repo import, full‑fidelity previews, emulators, and quick deployment to Firebase.
Vibe Coding

Firecrawl is a web data API that lets AI agents and apps search, scrape, interact, and crawl sites to return clean, LLM‑ready content in markdown, JSON, or HTML.
Web Scraping

Fireflies.ai captures meetings, transcribes and summarizes conversations, organizes tasks and contacts, and syncs insights to CRM and work tools.
Meeting Assistants

Fireworks AI is a platform to run, orchestrate, and train open models, offering fast inference, smart routing, and managed fine‑tuning with global residency.
Model Hosting & Inference

Fiscal.ai is finance software that provides a focused workspace to organize financial information and support periodic reporting across teams.
Finance

Fitbod is a strength training app that creates tailored workouts from personal goals and available equipment, then logs sets and tracks progress over time.
Fitness
Flair AI is a collaborative product photo generator and editor for e‑commerce, creating on‑brand images, ads, and videos with drag‑and‑drop tools.
Ad Generator

Fliki is a web-based AI video creator that turns text, blogs, scripts, and slides into videos with 2,000+ voices in 80+ languages—no camera or editing required.
Video Editor

Visual platform to build, run, and monitor AI agents and chat assistants with multi‑agent orchestration, APIs/SDKs, observability, and on‑prem/cloud deployment.
Agent Frameworks
FlutterFlow is a visual app builder for designing, connecting data, testing, and deploying mobile, web, and desktop apps with collaborative tooling.
App Builders

Folk is an AI-powered CRM that helps teams prospect, enrich contacts, engage across channels, manage pipelines, and close deals with analytics and automations.
CRM