Free tier unknownSubatomic
Assistant
The domain remained reachable with a server security response rather than a shutdown notice.
- Not listed
- API unknown
- Checked Oct 4, 2026
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Free tier unknown
Free tier unknownSubconscious AI
Research
Subconscious AI runs market simulations that model buyer decisions for pricing, messaging, and product tests before live experiments. Enterprise customers use synthetic conjoint-style studies to estimate causal lift with validation metrics published on the site.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free planSubEasy.ai
Meetings
SubEasy.ai is an AI subtitles and transcription platform with translation, dubbing, OCR, and video cleanup utilities. It advertises high-accuracy transcripts, animated captions, and daily free transcript allowances for new users.
- Free
- API unknown
- Checked Oct 4, 2026
Free tier unknownSublayer
Assistant
Sublayer Labs is a New York AI-native software studio publishing experimental products, open source, and community experiments. Its public site highlights launches such as attendance intelligence tool Where Is Everyone alongside writing and talks.
- Not listed
- API unknown
- Checked Oct 4, 2026
No free planSublime Text
Code
Sublime Text is a cross-platform code editor known for fast navigation, multiple selections, and a GPU-accelerated UI. It targets developers editing large codebases with powerful search, split views, and syntax-aware completion.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free trialSublyAI
Assistant
Subly is an AI accessibility platform for pre-recorded video and audio, combining WCAG-oriented checks, captions, transcription, translation, and compliance reporting. Enterprise buyers integrate via API while creators start from a free trial funnel.
- Not listed
- API available
- Checked Oct 4, 2026
Free tier unknownSubmagic
Video
Submagic automates short-form video editing with AI captions, b-roll, zooms, clean audio, translations, and publishing hooks for TikTok, YouTube Shorts, Reels, and LinkedIn. Creators upload clips and export polished vertical videos in minutes.
- $19.00/mo · starting plan
- API available
- Checked Oct 4, 2026
Free planSubmarine Player
Video
Submarine Player is a macOS app that generates and translates subtitles locally while you watch any video file. It targets Apple Silicon Macs on macOS 15+, emphasizing instant on-device transcription without sending media to the cloud.
- $2.99/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free tier unknownSubmitPro
Assistant
SubmitPro automates startup directory submissions, claiming one-click pushes to 200+ listings to save manual outreach time. Packages are sold as one-time submission bundles with tiered reach rather than recurring SaaS subscriptions.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free tier unknownSubmitSaaS
Assistant
SubmitSaaS is a done-for-you SaaS directory submission service covering 60 to 140+ listings per package. Founders pay once for manual submissions promised within about 48 hours to boost backlinks and domain rating.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free tier unknownSubmittable
Grants
Submittable sells cloud software for grant management, corporate social responsibility, scholarships, awards, and employee giving programs. Foundations, governments, corporations, and nonprofits use it to intake applications, review submissions, distribute funds, and report impact.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free planSubpage
Assistant
SubPage is a no-code publisher for business subpages such as blogs, help centers, careers hubs, changelogs, and legal centers on your domain. Teams compose content modules with SEO tooling, collaborators, and AI credits on paid tiers.
- $19.00/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free planSubscribr
Video
Subscribr helps YouTube creators ideate, script, thumbnail, and edit a month of videos using research agents and style-matched writing pipelines. Paid tiers scale channels, minutes of generated video, and team seats for agencies.
- $99.00/mo · starting plan
- API available
- Checked Oct 4, 2026
Free tier unknownSubsets
Research
Subsets is an AI retention automation platform for consumer subscription businesses. It predicts churn audiences, runs lifecycle experiments, quantifies lift on engagement metrics, and turns winning treatments into no-code automations for commercial teams.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free planSubShort
Video
SubShort generates AI subtitles, quizzes, and short video stories for creators and educators in minutes. The English site promotes rapid quiz and revision content with credit-based plans quoted in euros.
- Free
- API unknown
- Checked Oct 4, 2026
Free planSubSignal
Assistant
SubSignal monitors Reddit for brand mentions, sales leads, competitor activity, and suspicious shill or bot behavior. It provides real-time alerts across subreddits plus AI-assisted lead and sentiment workflows for marketing and growth teams.
- $29.00/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free trialSubstrate
Assistant
Zo Computer, linked from the Substrate slug target, provides a personal cloud computer with files, agents, sites, and services that stay online 24/7. Users run business and life workflows on always-on infrastructure with bundled AI credits on paid plans.
- $18.00/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free planSubtitleBee
Video
SubtitleBee adds AI subtitles, transcription, translation, and supertitles to videos through a browser workflow. It advertises high-accuracy automatic captions with starter packages sold via Paddle in local currency.
- Free
- API unknown
- Checked Oct 4, 2026
Free tier unknownSubtitleGen
Meetings
SubtitleGen transcribes and translates audio and video into subtitles with high-accuracy AI, exporting SRT, VTT, ASS, and TXT formats. Credit-based monthly plans scale file length limits, storage retention, and queue priority.
- $9.00/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free to startSubtitlesDog
Assistant
SubtitlesDog is an AI subtitle translator and generator for film-scale workflows. It analyzes whole scripts for consistent tone, locked terminology, and context-aware segments, then exports SRT, VTT, ASS, and related formats across 100+ language pairs with batch processing.
- Not listed
- API unknown
- Checked Oct 4, 2026
Free planSubversion
Code
Apache Subversion is a centralized version control system for tracking changes to files and directories over time. It provides atomic commits, branching, and tagging workflows used in enterprise and open-source codebases.
- Free
- API unknown
- Checked Oct 4, 2026
Free trialSudowrite
Writing
Sudowrite is a fiction-focused AI writing partner with story intelligence tools, Muse and Ballad models, expand/rewrite/describe flows, and credit-based plans for hobbyists through prolific authors publishing multiple works per year.
- $10.00/mo · starting plan
- API unknown
- Checked Oct 4, 2026
Free tier unknownSuger
Cloud GTM
Suger.io hosts Fours, a cloud go-to-market platform for listing, private offers, co-sell, billing, and partner workflows across AWS, Azure, Google Cloud, Snowflake, Oracle, and other marketplaces. Revenue teams automate marketplace listings, agreements, metering, and partner operations from one console.
- Not listed
- API available
- Checked Oct 4, 2026
Free tier unknownSuggestAI
Research
Suggest AI is a lightweight Vite web app published by @KShivendu on Vercel.
- Not listed
- API unknown
- Checked Oct 4, 2026
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