Semrush is a platform for growing and measuring brand visibility across AI search, SEO, PPC, and social. Its toolkits cover keyword research, competitor analysis, backlink analysis, technical site audits, content creation, local search visibility, and tracking of brand appearances in AI-generated answers. A free trial is offered.
Directory
Search results
Published directory entries matching your search.
Serplux is an AI SEO tracker for search engine automation. It offers AI agents for SEO strategy, content ideas, competition analysis, keyword position tracking and UX review. The page states a free forever plan with no credit card and access to all AI agents.
SERPrecon is an SEO and GEO tool that reads search results and AI answers to diagnose whether content, intent or authority is limiting a page across Google, ChatGPT and Perplexity. It offers page reports with an Action Plan, content scoring before publishing, and Share of Voice tracking. A 7-day free trial is offered without a payment method.
Seventh Sense provides AI email orchestration and performance management for HubSpot and Marketo, including per-person send-time optimization, deliverability monitoring and audience recycling. It surfaces per-inbox-provider performance and engagement data, with a free start using synthetic data or a connected account.
Python-free Rust inference server with OpenAI API compatibility and hot model swapping.
Shrib is an online notepad for taking notes in a browser. The page states that note-taking is available as "Free and no login" or with an AI assistant, visitor stats, privacy and productivity features. It offers publishing and markdown. Javascript and cookies need to be enabled. Notes can also be accessed through the online-note domain.
ShyEditor is an AI writing studio aimed at novelists, covering outlining, drafting and revision in one place. It offers a knowledge base for characters, places and events, story-aware AI suggestions, and chapter or full-manuscript critiques. It also provides grammar checking, bibliographies, version control, stats and export presets. A free plan is available.
SillyTavern is a locally installed user interface for interacting with text generation LLMs, image generation engines and TTS voice models. It began in February 2023 as a fork of TavernAI 1.2.8 and is built around character cards, collections of prompts that set the behavior of the LLM. It is free and open-sourced.
Slate is an AI-powered interactive classroom in which students learn with AI classmates rather than a chatbot. It offers personalised explanations, instant doubt resolution and adaptive courses, with content aligned to NCERT for Indian students. Pricing plans start free with paid upgrades.
Slides Carnival provides free, professionally designed templates for PowerPoint and Google Slides presentations. Templates are organized by use case, color style, and theme, including categories for business, education, marketing, and more. The site also offers supplementary tools such as an AI presentation maker, PDF conversion utilities, and a citation generator.
SlidesWizard is an AI tool that creates presentations and pitch decks from a topic or a pasted outline, adding images and speaker notes. It works with PowerPoint and Google Slides. A free option is offered, and a pay-per-use option costs $2.50 per presentation.
Snapgen AI is a free, unlimited AI video generation platform. It uses Veo 3.1 to let users create videos, speech, and images via its advanced AI tools, and is intended for content creators' generation needs.
Snapgen AI offers an AI video generator page that references free unlimited Veo 3.1 use on the website. It also describes advanced AI tools for creating videos, speech and images.
Snyk is an AI security platform that secures the code AI writes, the agents it runs, and the applications it builds. It offers a developer security solution available for free or from $25/month. The platform subscription is available to small teams at a flat rate, while enterprise pricing uses prepaid credits rated per capability.
SocialBu is a social media management tool for planning, scheduling, responding to, automating, and analyzing social media across connected accounts. It offers AI-assisted drafting and refinement of posts and captions, content curation, listening streams for mentions and keywords, a unified inbox, automation rules, and performance reports. A 7-day free trial is mentioned. An MCP Server connects compatible AI clients to supported tasks.
Socialsonic is an AI LinkedIn growth platform by Writesonic. It provides trend discovery, AI-assisted content creation, post scheduling and thought-leader discovery. It also offers gamified consistency tracking and performance analytics. A 7-day free trial is available without a credit card.
Songs Like X is a music discovery service that returns lists of songs similar to a chosen track. The free plan provides 20 recommendations per search. The Pro plan, at $3 per month, provides 50 recommendations per search and Melodie, an AI playlist assistant that tunes a list by mood or in the user's own words.
SongsLikeX takes one song and returns a playlist of similar tracks picked by AI. Users can preview the tracks, adjust the mood with a feature called Melodie, and save the list to Spotify. Each list is generated fresh, and the service is free to start.
Songsterr is a guitar tab site offering over 1 million guitar, bass, and drum tabs with free play-along original audio. It provides an AI tool to create tabs from YouTube links, and users contribute tabs through the website editor. The web app is online-only, while the mobile apps support offline mode.
SOUNDRAW is an AI music generator that lets users create royalty-free beats in seconds. It supports genre blending, instrument customization, stem downloads, and music monetization. Its AI is trained exclusively on in-house created music, with no use of scraped content, to ensure copyright-safe outputs for creators and artists.
Sourcebot is a self-hosted tool that helps human users and coding agents search, navigate, and understand complex enterprise codebases. It provides fast code search across all repositories and branches, AI-powered Q&A that references code and connected external tools, and a code context layer for agents. It is deployed via a single Docker container on user-managed infrastructure, with free Basic, paid Pro, and custom Enterprise pricing plans available.
spaCy is a free open-source library for Natural Language Processing in Python. It features named entity recognition, part-of-speech tagging, dependency parsing and word vectors, supports over 75 languages and provides 84 trained pipelines for 25 languages.
SpeechMap.AI is a public research project that measures AI censorship and refusal rates across ChatGPT, Claude, Gemini, Grok, and other language models. It records refusal rates for each model release and publishes a free-speech leaderboard tracking changes over time.
STARC (Story Architect) is a screenwriting app for Mac, Windows and iPhone that formats scripts and supports planning tools, including a virtual card board and mind maps. It has an AI writing assistant and tools for characters and worldbuilding. A free version is offered, with paid Pro and Creator plans.