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Indie products starting with C

133 products published on IndieTools, in alphabetical order. Each links to its permanent product page with features, pricing, founders and recorded website metrics.

  1. CADCraftFree, open-source 2D CAD in Rust with precise drafting and AI-agent automation.Design
  2. CaesuraSix healthy breaks for your Mac. Backed by science.Productivity
  3. Calculadora AliciaFree online calculator with step-by-step math solutionsProductivity
  4. CalebMerridanRelationship Advice for WomenPersonal life
  5. CampylyA camp management solution to streamline operations, support, training, and communication.Productivity
  6. CancelledIndie iOS app that helps you inventory subscriptions, spot overspend, remember free trials, and track savings after you cancel with each service yourself. Private by design — no bank login.Finance
  7. CanduluxAutomated Chart Analysis for Smarter TradingFinance
  8. CapKitAI captions for your TikToks, Reels & ShortsSocial media
  9. CapsuleCapsule — Website to App Converter (No Code)Developer tools
  10. CaptainVerifyVerify and Clean email & phone numberMarketing
  11. CapyBroLightweight Windows tray utility to polish, translate, and rewrite any selected text via hotkeys. OpenRouter cloud or local Ollama. Open-source.Productivity
  12. Car Payment CalculatorMonthly Auto Loan EstimateFinance
  13. CardActionCardAction — AI Business Card Scanner for iOS & AndroidProductivity
  14. CareerWingMeet Ava, the personalized career guide who remembers your journey, helps you choose your next move, and turns career uncertainty into confident action.
  15. CareJobs.NowHospital and clinic jobs for everyone in careProductivity
  16. CarveFormPersonalised weekly training + nutrition plan, for you.Fitness
  17. Catalyst Healthspan ToolsTen free, evidence-based calculators that measure how well your body is ageing, not how it looks. Percentile scoring by age and sex, cited research, no sign-up.Fitness
  18. CatchIntentTurn social conversations into qualified leads.Marketing
  19. CaternglyManage your catering service effortlessly with one app to streamline operations, bookings, vendor contracts, and feedback.Productivity
  20. CCRentYour own overseas Mac mini, with Claude Code ready to goDeveloper tools
  21. CellFitA Free to use and install in the default form simple, effective, challenging workout system that uses a playing deck of cards as the foundation. Allows professionals to create and share with clientsFitness
  22. CEO AI Readiness TestFind where your business can use AI next.AI
  23. CertFuelCertFuel is an adaptive learning platform for FINRA exam prep. It uses spaced repetition and adaptive algorithms to target your weak areas, with free SIE prep and premium Series 65 prep.Finance
  24. CertsHQCertsHQ - Certification Tracking That Actually Holds Up in an AuditProductivity
  25. CertyneoFree, EU-hosted electronic signature platform, eIDAS-compliant. 70% cheaper than DocuSign.Productivity
  26. ChangeLoop 7Run one bounded seven-day behavior experiment, review evidence, and adjust the next cycle.Productivity
  27. ChangeSignalVerified San Francisco restaurant, café, and bar openings corroborated by public business and liquor-license filings.Marketing
  28. ChartMiniFree trading simulator for historical market replayFinance
  29. ChatAdsWatchChatGPT ad intelligence for marketersMarketing
  30. ChatGPT Plus/Pro充值服务｜支付宝微信支付｜GETGPT ProChatGPT Plus/Pro充值服务｜支付宝微信支付｜GETGPT ProAI
  31. ChatGPT2WordConvert ChatGPT or Markdown to an editable Word .docx in the browser.AI
  32. ChatgrowTurn Conversations Into Loyal Customers With AI Agents.AI
  33. ChatterSiftChatterSift - Reddit Monitoring for Your BusinessSocial media
  34. CheapwpthemesCheapwpthemesDesign
  35. CheckViralTikTok analyzer tool. Reverse-engineer viral videos, understand how exactly they get views and apply this strategy to your content.Social media
  36. Chemistry AIStep-by-step AI chemistry solver for equations, stoichiometry, organic chemistry, equilibrium, photos, and worksheets.AI
  37. CherryShotCherryShot turns one phone photo of a product into on-model shots, lifestyle scenes and video ads. No studio, no prompting.AI
  38. Chess EditorChess Editor – Free custom chess board editor – set up any position, analyse setups, and play instantly. Perfect for chess vloggers and content creators.Games
  39. Chess GameChess Game – Free online two-player and vs-computer chess game. Play full chess rules right in your browser — no download, no sign-up.Games
  40. ChessForgeAn AI chess coach that analyzes your games and helps you improve with clear insights and game-style progression instead of overwhelming analysis.AI
  41. Chickadee BanditPrivate Family Organizer AppProductivity
  42. CHILI GraFxCHILI GraFx is the best AI platform for visual content production, enabling retail and shopper marketing teams to scale creative faster, stay on brandMarketing
  43. ChromaCutChromaCut – Free solid-colour background remover. Pick a colour, adjust tolerance, download transparent PNG. 100% private – runs in your browser.Design
  44. ChromaSeasonUpload a selfie to discover your 12-season personal color palette. Free preview with six starting colors; one-time $14.90 unlocks the full report with 27 colors, virtual try-on and outfit formulas.Lifestyle
  45. Chrome GoldmineThe Most Complete Expired Chrome Extension DatabaseDeveloper tools
  46. ChronoidAI-powered time tracking with website blocking and productivity insights. Automatically categorize activities, block distractions, stay focused, all private on MacAnalytics
  47. Chunks MicrolearningMicrolearning for History, Philosophy & Science. Break down complex topics into bitesize stories for reading/listening on the go!Productivity
  48. ClarityBeeUX audit for your websiteDesign
  49. Claude FastTransform Claude into your dev & growth teams. 16 agents, 280 skill files, 90,000+ lines of workflows and frameworks. From first commit to first customer.
  50. Claw MessengeriMessage, RCS, and SMS API for AI agents. Give your agent a dedicated phone number. No Mac required. Works with OpenClaw, LangChain, and others.Developer tools
  51. Claw One ClickInstall your own 24/7 AI assistant in under 60 seconds. Fully managed OpenClaw hosting — zero-code setup, BYOK support, $15 free AI credits. No SSH, no server config.
  52. ClawHostOne-click cloud hosting for OpenClaw AI agents.AI
  53. ClawHostersDeploy your OpenClaw AI agent in minutes. Simple, affordable VPS hosting with automatic setup, monitoring, and support.
  54. Clean The Superstore Roblox WikiFree Roblox wiki for Clean the Superstore — guides, tips, item lists (not Clean the Supermarket).Games
  55. CleanChartA no-code chart maker for data visualization. Turn CSV/XLSX files into professional charts with AI suggestions, automatic data cleaning, and PNG/SVG exportsAnalytics
  56. CleanTextLabClean up messy text and formats in secondsDeveloper tools
  57. ClearCutoutNext-gen background removal tool. Handles hair, glass, and complex details better than most competitors while giving you 6x more images than Remove bg for the same price. Free tier with no watermarks.Productivity
  58. Clickefy.ai Clickify is an AI-powered creative platform that allows users to generate professional AI images, videos, product advertisements, and social media content using different AI models. AI
  59. ClicTrésoClicTréso est un logiciel de gestion de trésorerie pour les associations loi 1901 : comptabilité, facturation, adhésions et synchronisation bancaire, en version gratuite ou Premium.Finance
  60. Client Closer KitFreelance closing scripts, follow-up checklist, Notion pipeline, and pricing templates — Starter $29 / Complete $47 one-time.Productivity
  61. ClientForgeThe client OS for Webflow, Framer & WordPress freelancersProductivity
  62. ClipShrinkOnline video compressor and video-to-text transcriptionProductivity
  63. CliptudeCliptude turns a text prompt or full script into a finished video for creators and marketers.AI
  64. CloadyDeploy apps and databases with predictable cloud pricingDeveloper tools
  65. CloudEASE Parking ManagementCloudEASE parking management system combines LPR cameras, barrier gates, pay stations, software & APIs for automated parking payment & access control.Analytics
  66. CloudPloyDeploy anywhere from your AI tool.Developer tools
  67. code.livecode.live | Free Developer ToolsDeveloper tools
  68. CodeFastLearn to code in weeks, not monthsProgramming
  69. CodeownThe Home of Passionate DevelopersSocial media
  70. Codex Reset RadarTrack Codex usage limits, reset status, reset history, and public reset announcements in one place.Developer tools
  71. CodexFuseAll-in-One Managed IT Platform on Credits — Hosting, VPS, AI Agents, Business Email & Software DevelopmentDeveloper tools
  72. CoinBossCrypto Derivatives Data — Live Liquidations, Open Interest & Funding RatesAnalytics
  73. CoinisAI marketing agent that turns a product URL or photo into launch-ready image and video ads on Meta with automated publishing, ROAS tracking, and continuous optimization.Marketing
  74. ColdleadsCall-ready prospect lists of local businesses from Google Maps for agencies and freelancers.Marketing
  75. Coloring OtterPrintable coloring pages for kids, classrooms, and screen-free time, with clean PDF downloads organized by topic, holiday, animal, and seasonal themes.Lifestyle
  76. Coloring Pages ProFree coloring pages for Kids & Adults. Easy to print, updated regularly. Over 10,000 pages ready to go and 300 categoriesProductivity
  77. ColoringPagesToolsFree printable coloring pages and coloring books as A4 or US Letter PDFs, plus an AI coloring page generator.Personal life
  78. ColorWillowTurn text prompts and photos into printable coloring pages, with a separate free browser-based Mandala Maker.AI
  79. Colour PickerColour Picker – Free browser-based colour picker. Upload any image and click to instantly extract HEX, RGB, and HSL colour values.Design
  80. Cometflow SpaceCometflow Space — Free Developer Tools,3D Models,library,AI Apps & CalculatorsDeveloper tools
  81. ComicVerseComicVerse turns your ideas into full comic & manga pages in minutes with AI — no drawing skills needed. Read, create & reimagine comics on iPhone & iPad.AI
  82. Commenter AILinkedIn Sales Signals & AI Commenting SystemDeveloper tools
  83. CommentKeywordCommentKeyword - Turn Instagram Comments Into Qualified LeadsSocial media
  84. Competitor Analysis AgentAn AI agent that analyzes your product's competitive landscape, identifies feature gaps, and delivers structured intelligence — so you know exactly what to build next. Developer tools
  85. ComprimirPDFComprime archivos PDF gratis en el navegador, sin registro y sin subir el documento a servidores externos.Productivity
  86. Confetti TriggerA background service that triggers confetti animations via HTTP API. Instantly integrate with AI agents, CLI tools, CI/CD pipelines, and local scripts.Developer tools
  87. ConnectMachine, AI agent for cards, contacts & networkingConnectMachine, AI agent for cards, contacts & networkingAI
  88. ConsultKitConsultKit is the entire frontend infrastructure for AI consultancy sales so you can take your slice of the $14B (and growing) AI consulting market AI
  89. Contador de palabras, contador de caracteresContador de palabras, contador de caracteresProductivity
  90. Contaro BuchhaltungssoftwareBuchhaltung, Rechnungen und Zeiterfassung für Selbstständige in Österreich.Finance
  91. ContentCreators.comCreate, Grow, Monetize. The only bookmark a content creator needs.Social media
  92. ContractMakerReady-to-use contracts you fill and sign in 90 seconds.Productivity
  93. Converly ColorsFree color palette generator for designers and AI coding agentsDesign
  94. ConvertFreeImageConvert Images. Compress. Resize. All for Free.Developer tools
  95. ConverticToolsFree online tools to convert anything, instantly.Productivity
  96. ConvtFree Online File Converter | No Uploads, 100% LocalProductivity
  97. Cool Web ToolFind Out Why Your Site Loses Traffic | Cool Web ToolSEO
  98. CorkylyAll-in-one winery management app for vineyards, equipment, inventory, sales, and production.Productivity
  99. Correlation StudioUpload datasets and find statistically significant correlations across every column pair. Data science without the code.Analytics
  100. CoSupport AISupport AI trained on your resolved tickets that deflects up to 90% of repetitive L1 tickets across chat, email and voice, with about 3 days to full live.AI
  101. CouleurGPTSay Goodbye to YellowAI
  102. Court RulesFree U.S. court rules, judge orders and deadline calculatorDeveloper tools
  103. Cove InboxOne desk for chat, help, and workflows without the suite tax.Productivity
  104. CozAIPhotoAI Photo Generator for Realistic Portraits & Everyday MomentsAI
  105. cozyscreenshotBoring screenshots, made beautiful.Productivity
  106. CPFHub.ioBrazilian CPF lookup API with an MCP server for AI agentsDeveloper tools
  107. Craic Hub ExchangeNon-custodial Solana swap and launch hubFinance
  108. CreateImage OnlineAI-powered creative canvas — input inspiration, output masterpiecesAI
  109. CreateMyCoinLaunch your Solana SPL token in 60 secondsDeveloper tools
  110. Creator InsightsCreator Insights | Multi-Platform Posting & Content Distribution ToolMarketing
  111. Creavit StudioScreen recordings made beautiful. Professional videos in minutes. Made for macOSProductivity
  112. CrochetPatternGenFree crochet pattern generator: upload a photo and get a stitch-ready chart with grid, yarn palette, and per-color stitch counts. For graphgans, C2C, tapestry, mosaic, and filet.Design
  113. CrontinelLaravel schedule and queue monitoring. Catch silent cron, queue, and agent failures before users do.Developer tools
  114. Cross Stitch Pattern GeneratorTurn a photo into a stitchable cross stitch chart with DMC thread colors and skein counts.Design
  115. CrowbertCrowbert is an AI-powered social media workspace that helps teams create, schedule, publish, and analyze content across multiple platforms from one place. It automates content ideation, streamlines Marketing
  116. CruelxProfessional multi-model AI website analysis built around buyer psychology, with clear fixes for why visitors hesitate, leave, or fail to convert.Marketing
  117. CryptoIslandCrypto prices in your Mac’s notch (48h trial)Finance
  118. ctrlc.aiAI Image Reference Platform for Designers.AI
  119. CTRLoopCatch winning thumbnails early for YouTubeSocial media
  120. CueGEO GEO CheckerFree six-dimension GEO audit that scores any URL for AI readability and checks 14 AI crawlersSEO
  121. Cuff: Blood Pressure TrackerFree blood pressure logging from your own monitor, with paid PDF export for appointments.Personal life
  122. CurboraTrust-first AI real estate photo editing for listing-ready mediaDesign
  123. CurlShipThe bot-friendly SaaS directory. List your product with one curl command.Developer tools
  124. CurrentOrigin AICurrentOrigin AI is an ecosystem of specialized AI tools for learning, research, careers, productivity, travel, shopping and more.Productivity
  125. CurseXSophisticated Shitpost SorcerySocial media
  126. Cursive GeneratorCursive Generator - Copy & Paste Cursive Text FreeDesign
  127. CursiveGenerator.comType your name and see it in real cursive fonts, ready to download as PNG or SVG.Design
  128. Custom WaitlistBranded waitlist landing pages. Fully customizable pages to launch in minutes without codingDesign
  129. Customer FeedbackLet your customers do the pitching for youMarketing
  130. CutDoneCutDone — Printable Goal Tracker & Custom Challenge StripsProductivity
  131. CutlineCutline is a technical product manager that helps vibecoders build with security, stability, and scalability from the start. Cutline helps you survive the MVP cliff by dynamically injecting security.AI
  132. Cybercheck NowQuickly check your webcam and microphone directly in your browser.Personal life
  133. Cybersecurity Readiness AssessmentFree, scenario-based cybersecurity readiness tool that tests your team's decision-making through realistic breach simulations.Developer tools