Titles of independent movies that became successful?

This isn't really a Movies/TV forum post, it's actually for research. I'm thinking about putting together a project that involves independent movies that either became successful at the box office, or the film catapulted the creator's career and has since become a cult film. In general, I'm looking for titles of movies that were made on a shoestring budget but ended up doing well despite the odds.

The ones that come to mind are Texas Chainsaw Massacre, Clerks, and Halloween.

TCM because it was made cheaply but became influential and a cult classic.

Clerks, Kevin Smith's first film, financed by his credit cards and shot on location.

Halloween, I don't believe was John Carpenter's first film, but it furthered his career and launched Jamie Lee Curtis's career.

What others?

The definition that I am going by is no major studio had anything to do with it. If it were financed by that one producer himself, i.e. Clerks, but had Tom Hanks in it, then that might be pushing my definition.

I'd love to include Rocky Horror, but it was done by a major studio.

Thanks for all the great titles! I have seen many of these and had forgotten about Dark Star and Evil Dead. I never knew My Big Fat Greek Wedding was an independent movie. It sure feels like it had a big budget.

And for the purposes of this project, I'll have to exclude foreign films.

Eyeblink, I don't have those particular Danny Peary books. I have Cult Movie Stars and Psychotronic Handbook of Film.

Here's the list from this thread:

Texas Chainsaw Massacre
Clerks
El Mariachi
Reservoir Dogs
The Blair Witch Project
Sex, Lies, and Videotape (really? indie with small budge?)
The Brothers McMullen
My Big Fat Greek Wedding
Duel
Repo Man (I'm still not sure if it was an idie. Feels like one.)
Dark Star
Juno
Little Miss Sunshine
Napolean Dynamite (maybe)
Eraserhead
Blue Velvet
Picnic at Hanging Rock
Mad Max (these are on the list despite the "foreign" label)
Bad Taste (Although not a smash, it's P Jackson's first film.)
Night of the Living Dead
Shadows
Return of the Secaucus Seven
Stranger Than Paradise
She's Gotta Have It
Boys Don't Cry
Memento
Forbidden Zone
Hollywood Shuffle
She's Gotta Have It
Evil Dead

I still have to research these and make sure they all fit the criteria I've chosen for this project. If the indie film already had everything going for it, like a big budget and/or big stars, then it might not make the list. I want to focus on the underdogs, the directors with the vision, ability, but limited funds and no production company. They made their film, and despite the odds, secured a distributor and got wide release and good ratings.

What else should make the list?