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Browse and discover every tech product and startup launched on Stellar Launch.
Browse and discover every tech product and startup launched on Stellar Launch.

LumiSource is an AI-powered college admissions platform that helps students evaluate, improve, and confidently submit stronger applications. Its flagship college essay grader and college essay review tools score personal statements, identify specific weaknesses, explain how an admissions reader may interpret the writing, and guide students through focused revisions. Unlike generic writing assistants, LumiSource is built specifically for the college application process. Students receive detailed feedback on structure, clarity, authenticity, storytelling, reflection, and overall submission readiness, along with actionable suggestions for improving each draft. LumiSource also supports broader admissions planning through application evaluation and school-specific guidance. Beyond college admissions, LumiSource offers AP practice and SAT preparation tools designed to help students study more effectively, identify knowledge gaps, and improve performance. Used by hundreds of thousands of students, LumiSource brings essay feedback, admissions guidance, AP resources, and SAT prep into one student-focused platform.

Free online psychological screening tools for anxiety, depression, ADHD, stress, and related topics, in 18 languages. Educational self-assessment only; not a clinical diagnosis.
LurkAPI is a social media data API. Send one GET request with query parameters and get clean JSON back from public pages on 16 platforms: TikTok, Instagram, YouTube, Reddit, Facebook, X (Twitter), LinkedIn, Threads, Bluesky, Telegram, Snapchat, Truth Social, Google, eBay, Linktree and any web page.What you get: 88 endpoints for profiles, posts, comments, video transcripts, search, and the ads in Meta's, Google's, TikTok's and LinkedIn's ad libraries. One envelope everywhere: success, credits_charged, credits_remaining, then the data; errors carry a code and a link to the docs. Copy-paste code in curl, Node.js, Python, Go, PHP and Ruby on every endpoint page, with a real captured response and a live playground. An OpenAPI 3.1 spec, llms.txt, and every docs page as markdown.For AI apps: the same endpoints are an MCP server. Add https://api.lurkapi.com/mcp to Claude, ChatGPT, Cursor or VS Code and sign in through the browser.Speed and price: the API averages about a second. Most calls cost 1 credit, and packs run from $9 for 10,000 credits to $225 for 500,000. Credits never expire, and there is no subscription. Validation errors, rate-limited calls and 5xx errors are free.Start free: sign in with Google or an email code and get 100 credits, no card. Once a day, a balance under 25 is topped back up to 25. LurkAPI returns public data only.

Seedance 2.5 AI creates video clips from text prompts, a single image, or multiple reference images. The web studio also supports reference-guided editing so you can adjust a selected region while keeping the rest of a shot consistent. The official site lists clip lengths up to 30 seconds and output options from 480p to 1080p. Check the official site for current settings.

Important pages can disappear from Google's index after a release, canonical change, noindex mistake, or a decision you never saw coming. Search Console does not send a URL-level alert when that happens. Many teams find out later, when rankings slide or organic traffic, leads, and revenue start falling. BoastIndex gives you an earlier warning. Connect a Search Console property with read-only access, import the URLs you cannot afford to lose, and choose a daily, weekly, or monthly inspection schedule. BoastIndex records every result, detects status changes, and alerts you when a page becomes deindexed, blocked, noindexed, or otherwise needs review. That history shows what moved, when it moved, and whether the problem is isolated or affecting a wider group of pages. Each completed inspection batch produces a report with index health, changed URLs, new problems, resolved issues, and the indexing journey. Reports can be co-branded and exported as PDF, CSV, or JSON for clients, stakeholders, or downstream systems. BoastIndex stays focused on the job that broad SEO suites and one-time checks handle poorly: catching quiet index changes before analytics becomes the alarm. It reports what Google Search Console reports. It does not request indexing, control Google's decisions, or guarantee that a page will be indexed.
TradeDeck by GB Capital combines US stock research, market breadth, sector rotation, thematic baskets, stock quality scores, earnings and AI-assisted news and catalyst analysis. It helps independent investors and swing traders examine market context and individual companies in one dashboard. Lite €15/month and Pro €25/month, with a 48-hour trial. Research software without trade execution or personalised investment advice. Publisher: https://www.gb.capital/.

AI Lyrics Generator AI Lyrics Generator and Song Generatorand Song Generator

LyricsGift writes a personalised song from a story you type. You approve the lyrics line by line and hear a minute of each of two versions before paying. One-time pricing from A$39. No account is needed to write your story; there is no free tier.

LyricTime is a browser-based tool that automatically syncs lyrics to audio using AI, enabling users to create timed lyric files (LRC, SRT, VTT) and finished lyric videos without watermarks (for paid users).Upload MP3, WAV, or M4A files and either provide lyrics or let AI transcribe them.AI achieves ~90% accuracy in syncing lyrics to audio, with manual editing tools for fine-tuning at line, word, or block level.Export synced lyrics as LRC (for music players), SRT (for video editors), or VTT (for web captions).Built-in Lyric Video Studio lets users create shareable MP4 videos with customizable backgrounds, reactive visualizers, branding, and layout options — all in-browser.Supports karaoke-style word-by-word highlighting, timeline editing, focus mode, auto-scroll, and multi-select editing.Ideal for musicians, content creators, karaoke makers, and video editors needing synchronized lyrics for YouTube, TikTok, CapCut, Premiere, DaVinci, or Spotify.Privacy-first: audio files are processed and deleted immediately; not used for training.Pricing is based on consumed audio minutes — one-time packs start at $3 (never expire), monthly plans available.Free tier includes public demo, manual tools, and watermarked video exports.

Mac App Index is a directory for discovering Mac apps. It presents apps in rankings based on recent upvotes and all-time favourites, alongside a section for newly added apps. Visitors can browse apps by categories such as Utilities, Productivity, Menu bar, Writing & notes, and Developer tools. The site also offers hand-picked collections, including Menu bar essentials, Free apps and Open source, as well as practical walkthroughs and roundups in its guides section. App makers can submit an app for listing.
Toolfound is a free launch board for software makers. Submit a URL, email and logo, then see your public launch date and queue position. Verified listings stay up permanently with a dofollow link, and no badge or reciprocal link is required. Makers can also submit and track launches from AI agents through the MCP server at https://toolfound.com/api/mcp. Optional paid Priority dates and sponsor slots are clearly labelled.

MacMister MBOX Converter for Mac is a reliable solution for converting MBOX files into multiple file formats, such as PST, EML, MSG, PDF, HTML, and more, depending on the supported options. It offers an easy-to-use interface, batch conversion capabilities where available, and options for email migration, backup, and archiving. The software is designed to simplify MBOX file conversion while helping preserve important email information and attachments. MacMister MBOX Converter for Mac makes managing and transferring mailbox data easier for both technical and non-technical users.