Opportunities › DJ music library management software › Proposed app
Crateline
Fast, simple library prep for DJs. Tag, cue and export to USB in minutes.
- Score
- 35
- confidence 57
- Evidence
- 5
- items on the page
- Rivals
- 2
- named in sources
- First version
- 45 d
- estimate
- Type
- Desktop and mobile
- PWA: on computers and phones alike
- Market since
- 2009
- Mature market · AI estimate
ScreensConcept
Desktop and mobile: DJs prep and organize libraries at a desk, then rely on the app in the booth during live performance to access cues, playlists, and USB exports in real time. Sample screens on a computer and a phone, in the proposed brand. Their numbers are sample data.
Library
Synced 2 min ago3,482
About this appAI proposal
Crateline is a lightweight library manager for DJs who play on Pioneer-style gear. Import your folders, tidy tags, set cue points and hot cues, build playlists, and export a USB stick that is ready for the booth.
It is built for speed. Open it, find the track, fix it, move on. Your library stays in open formats you can take with you, so you are not locked into one vendor.
For hobbyists and working DJs with hundreds to thousands of tracks who find current tools slower or more complex than their routine needs.
- Tagline
- Prep your crates fast. Keep your library yours.
- Voice
- DirectQuickPractical
- Why this name
- A crate is where DJs keep records, and a line is the path from library to booth. Two plain words joined, easy to say and spell.
In the first version
Members say which features they would use. It tells PWAS what people want; it changes no score.
Quick library import
Point it at folders and it reads tags, artwork and file details, then flags duplicates and missing info.
No member yet
Cue points and hot cues
Set, name and colour cues on a waveform, with keyboard shortcuts for fast prep sessions.
No member yet
One-step USB export
Pick playlists, choose a drive, and export a stick laid out for compatible Pioneer players.
No member yet
Open library format
Export your whole library, cues and playlists to plain files so you can leave any time.
No member yet
Brand identityAI proposal
Check the name against trademark registers before using it.
Palette
#14201FBooth Black · text#F6F1E8Sleeve Cream · surface#E8590CCue Orange · primary#1F6F6BDeep Teal · secondary#F2B134Waveform Gold · data
Typography
Aa
Crateline
ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789
Prep your crates fast. Keep your library yours.
PricingAI proposal
Rekordbox's pricing page (verified) lists one paid plan at €30 a month. These tiers sit well below it as a starting point to test; the material gives no other competitor prices.
Free
Free
- Library up to 500 tracks
- Cue editing
- USB export of one playlist
Pro
$9 a month
- Unlimited tracks
- Full USB export
- Device sync
- Pre-gig check
- Smart crates
Pro yearly
$79 a year
- Everything in Pro
- Two months free
Would you pay Pro yearly · $79 a year?
Your answer tells PWAS which prices people accept. It changes no score.
No answers yet.
What it could be worthEstimate
What a software business making this much sells for today, from real deals. Pick a monthly revenue.
If it makes
Worth about
$190,000
Sale range $132,000 to $263,000
$120,000 a year in revenue
From 87 software businesses listed and sold on Empire Flippers in the last year, revenue vetted by the broker: they sell for about 19× their monthly revenue, most between 13× and 26×.
Measured on profit, the middle deal is 32× monthly net profit: about 2.7 years of profit.
An estimate, not an offer or financial advice. A real price depends on profit, growth, churn, how much of the work is the owner's, and the buyer.
How it would growAI proposal
How the product would reach new customers through its own use, and how the first ones would be found. A plan to test, not a result.
- Built-in loop
- Shared outputs. DJs share playlists and tracklists as public pages or files. Other DJs and promoters can open them and import the crate into their own copy of Crateline.
- Do they become customers?
- Viewers are DJs, so they can become paying users. Test whether shared crate pages lead to sign-ups and whether free users upgrade once libraries pass the track limit.
- First customers
- Working club and wedding DJs with 1,000 to 5,000 tracks who play on Pioneer USB-based players and are unhappy with Rekordbox speed.
- Where to reach them
- DJ forums and Reddit: Post a free USB check tool and a walkthrough in DJ communities where library prep complaints are common.
- GitHub rbxport audience: Reach people who starred similar open projects with a waitlist and early access offer.
- DJ YouTube creators: Offer free Pro to small DJ tutorial channels for honest prep-workflow demos.
- First milestone
- Twenty paying DJs on Pro within 60 days, with at least ten playing a gig from a Crateline-exported USB.
Why people already pay for this
- VerifiedGitHub repository gained 304 stars in 34 days
- Public claimDJs use music library managers compatible with Pioneer equipment via USB and PRO DJ LINK protocol
- Public claimThere is demand for simpler and faster alternatives to existing solutions like Rekordbox
- AI inferenceThe repository has gained measurable adoption within 34 days of creation
- Verified
Tech stack
Every proposal builds on the same PWA base, installable from the browser on any phone or computer. Dashed boxes are what this app adds.
- AppNext.js and TypeScript
- PWAManifest and service worker
- UITailwind CSS
- Data and authSupabase Postgres
- PaymentsStripe
- EmailResend
- HostingVercel
- This app · Audio analysisWeb Audio and WebAssembly analysisWaveforms, BPM and key detection must run on the user's device without uploading files.
- This app · File accessFile System Access API with fallbackReading music folders and writing to USB drives needs direct disk access from the browser.
RisksAI inference
- TechnicalThe USB layout Pioneer players read is proprietary and may change. Export must be tested on many player models, and PRO DJ LINK support may not be possible in a browser.
- PlatformThe File System Access API is not available in every browser, notably on iOS and Safari, which limits USB export on some devices.
- Intellectual propertyReverse-engineering or using Pioneer formats and names could draw legal objection. Compatibility claims need legal review.
- CommercialRekordbox is tied to the hardware most DJs already own, so many may not switch. Only a small GitHub star count suggests interest, not payment.
- DataLarge libraries and cue data must not be lost in sync or export. Corrupt writes to a DJ's only copy would destroy trust.
Everything marked AI proposal or AI inference was written by a model from the evidence on the opportunity page. The proposed name must be checked against trademark registers before it is used.